## Preprocessing

Topics relate to geometry, meshing, and CAD

#### new mesh has not been created. continue to solve with old mesh

• Yunpeng Wu
Subscriber

When I trying to do

NLMESH,NLAY,10

It shows 'new mesh has not been created. continue to solve with old mesh'

How can I solve this problem? Thank you.

• mjmiddle
Ansys Employee

You have specified to remesh with a mesh quality metric allowing a maximum element angle of 90 degrees. The remesh resulted in a worst element angle of 158.4374 degrees which is not an improvement over the worst angle of 90.0778 before the remesh, so it rejected the remesh, and used the mesh before this.

The strategy is to remesh early and often, before the body gets too deformed, or else it may not remesh with an acceptable quality. So you may need to increase the rate at which is checks so that it checks earlier. Allowing a max angle of 90 seems a bit stringent considering the default to check is 155 degrees for volume elements. But if you increase the metric it's going to mesh later in the process. Maybe you need to view how distorted the mesh is right at that substep where it starts to remesh.

You need a body with enough bulk volume to use nonlinear adaptive region.  Thin bodies may not allow enough room to refine mesh especially if connected to another body in a multibody part (mesh connected).

• Yunpeng Wu
Subscriber
1. When I tried to do a max angle of 155 degrees, the command didn't drive the remesh, even 100 degrees, the remesh can't happens, and the maxium to start the remesh is 90 degree.
2. This structure is a plane, 100*100 elements, and each element is a 1*1 square, when I use the same material for all the elements, it can converge without remesh, but if I choose to use 2 different materials, the non-linear process can't converge.

Do you have any idea about why this problem happens?

The code is shown below:

FINISH
/CLEAR

*do,fid,1,1

/PREP7

!=== Define material 1
ET,1,PLANE182

MP,EX,1,2000
MP,PRXY,1,0.3

!==== Define material 2
ET,2,PLANE182
MP,EX,2,1000
MP,PRXY,2,0.3

/PREP7

NDELE,ALL
EDELE,ALL
DDELE,ALL,ALL
NUMCMP,ALL

*set,ntb
*set,etb

filename=strcat('nodes',chrval(fid))
fext='dat'

/INQUIRE,rows1,LINES,%filename%,%fext%
*DIM,ntb,ARRAY,rows1,4
(4F6.0)    !* read 4 real numbers with maximum 6 digits, use 6 if number is 10000

filename=strcat('elements',chrval(fid))

/INQUIRE,rows2,LINES,%filename%,%fext%
*DIM,etb,ARRAY,rows2,5
(5F6.0)

*do,i,1,rows1
n,ntb(i,1),ntb(i,2),ntb(i,3),ntb(i,4)
*enddo

*do,i,1,rows2
e,etb(i,1),etb(i,2),etb(i,3),etb(i,4)
*enddo

!=== Define element group 1
k=0
nElements=1
*do,i,1,rows2
nElements=nElements+1
*if,etb(i,5),eq,1,then
k=k+1
*endif
*enddo

*status,k
*status,nElements

ESEL,S,elem,,1,k
MPCHG,1,ALL
CM,MATRIX,ELEM

ESEL,S,ELEM,,k+1,nElements
MPCHG,2,ALL
CM,FILLER,ELEM

/SOL
ANTYPE,0,NEW
NLGEOM,1
NSUBST,1000,2000,10
AUTOTS,-1.0

ALLSEL,ALL

NSEL,S,LOC,X,0
D,ALL,UX,0

NSEL,S,LOC,Y,0
D,ALL,UY,0

NSEL,S,LOC,Y,100
CP,NEXT,UY,ALL
ALLSEL,ALL

filename=strcat('nlist',chrval(fid))
/INQUIRE,rows3,LINES,%filename%,%fext%
*DIM,ctb,ARRAY,rows3,3
(3F6.0)

!=== couple top and bottom nodes for UX
*do,i,1,rows3
CP,NEXT,UX,ctb(i,2),ctb(i,3)
*enddo

*do,i,1,1     !* loop over three displacements

/SOL
u=100*i

NSEL,S,LOC,X,100
D,ALL,UX,u

ANTYPE,0
NLGEOM,1
!AUTOTS,ON
!DTIME,0.01,0.00001,0.1
!ARCLEN,ON
NSUBST,1000,2000,10

NLMESH,BDRA,50

!CUTCONTROL,DSPLIMIT,10e7

ALLSEL,ALL
SOLVE
FINISH

/POST1
PLDISP,1

NSEL,S,LOC,X,0
set,LAST
fsum
*get,fsum,FSUM,0,ITEM,Fx
force=fsum

filename=strcat('res',chrval(fid))

*if,i,eq,1,then
*cfopen,%filename%,txt,,
*else
*cfopen,%filename%,txt,,APPEND
*endif

*vwrite,u,force
(G16.8,G16.8)
*cfclose
tempname=strcat(chrval(fid),'-')
tempname=strcat(tempname,chrval(i))
filename=strcat('nodal_stress_x',tempname)
*cfopen,%filename%,txt,,
*do,xid,1,rows1
*set,strx
*GET,strx, node,xid,s,X
*vwrite,strx
(G16.8)
*enddo
*cfclose

filename=strcat('nodal_stress_y',tempname)
*cfopen,%filename%,txt,,
*do,xid,1,rows1
*set,stry
*GET,stry, node,xid,s,Y
*vwrite,stry
(G16.8)
*enddo
*cfclose

filename=strcat('nodal_stress_xy',tempname)
*cfopen,%filename%,txt,,
*do,xid,1,rows1
*set,strxy
*GET,strxy, node,xid,s,XY
*vwrite,strxy
(G16.8)
*enddo
*cfclose

FINISH
*enddo
/CLEAR

*enddo   !* end of outer loop

• Bill Bulat
Ansys Employee

Hi Yunpeng,

Your input does not run without "nodes1.dat" file. If it helps, I once created the 3D test case below that works (it solves in less than a minute). It does not use element mesh metrics as a criterion for remeshing. Instead, it uses element energy.

fini
/cle

/sys,del file*.png

/vup,1,z
/vie,1,3,2,1

C***************************************************
C*** PARAMETERS
C***************************************************

l=0.100
w=0.040
t=0.010
r=0.015

x_cut=1.5*r

E=2e11
Sy=E/100
E2=E/25
nu=0.3

theta_pilot=15*(acos(-1)/180)

C***************************************************
C*** MODEL
C***************************************************
/prep7
n,1,l/2 ! PILOT NODE
bloc,-l/2,l/2,-w/2,w/2,-t/2,t/2 ! GEOMETRY
cyli,,r,-t/2,t/2
vsbv,1,2

wpcs,-1,0
wpro,,,90
wpof,,,x_cut
vsbw,all
wpof,,,-2*x_cut
vsbw,all

vplo

et,1,185 ! ATTRIBUTES, MESH
mp,ex,1,E
tb,plastic,1,,,biso
tbdata,,Sy,E2
mp,nuxy,1,nu
vswe,all

C*******************************************************************
C*** CREATE MPC CONTACT w/PILOT NODE
C*******************************************************************

*get,etmax,etype,,num,max
*get,mpmax,mat,,num,max
*get,rmax,real,,num,max
*get,secmax,secp,,num,max
attrmax=max(etmax,max(mpmax,max(secmax,rmax)))

C*******************************************************************
C*** DEFINE CONTACT ATTRIBUTES
C*******************************************************************

et,attrmax+1,174 ! CONTACT ELEMENT TYPE (ON BEAM TIP)
keyo,attrmax+1,4,1 ! FORCE DISTRIBUTED
keyo,attrmax+1,2,2 ! MPC
keyo,attrmax+1,12,5 ! BONDED

et,attrmax+2,170 ! TARGET ELEMENT TYPE (PILOT NODE)
keyo,attrmax+2,2,1 ! USER SPECIFIED PILOT NODE CONSTRAINT
keyo,attrmax+2,5,3 ! SHELL-SOLID

tshap,pilot ! TARGET SHAPE (PILOT NODE)

C*******************************************************************
C*** DEFINE REMOTE POINT
C*******************************************************************
real,attrmax+1
type,attrmax+2 ! DEFINE TARGET PILOT ELEMENT (REMOTE POINT)

nsel,s,node,,1
cm,pilot_n,node
nd1=1
e,1

C*******************************************************************
C*** PROMPT USER TO SELECT AREA(S) TO BOND TO PILOT NODE
C*******************************************************************
nsel,s,loc,x,l/2
nsel,u,node,,1
cm,contact_n,node
esln

type,attrmax+1 ! OVERLAY BEAM TIP WITH CONTACT ELEMENTS
esurf

C*******************************************************************
C*** DETERMINE PINBALL
C*******************************************************************

cmse,s,contact_n
*get,nnds,node,,count

nd=0
pinball=0
*do,i,1,nnds
cmse,s,contact_n
nd2=ndnext(nd)
cmse,a,pilot_n
pinball=max(pinball,distnd(nd1,nd2))
*enddo

r,attrmax+1,,,,,,2*pinball ! PINBALL

alls

C*******************************************************************
C*** APPLIED DISPLACEMENTS
C*******************************************************************
d,1,roty,theta_pilot
nsel,s,loc,x,-l/2
d,all,all

C*******************************************************************
C*** SOLVE
C*******************************************************************

et,11,187 ! TETRAHEDRAL ELEMENT TYPE FOR NLAD-ETCHG

esel,s,type,,1
esel,s,cent,x,-x_cut,x_cut
*endif

fini

/solu

nlge,on

alls
save

eplo
/sho,png \$eplo \$/sho,close \$/wait,2

solve
fini

C*******************************************************************
C*** POST PROCESS
C*******************************************************************
/post1
/edge,1,1
plns,eppl,x,2
/sho,png \$plns,eppl,x,2 \$/sho,close \$/wait,2

--Bill
• Yunpeng Wu
Subscriber

Hello Bill

I appreciate your help. I will try the energy method.

• Yunpeng Wu
Subscriber

The energy method still can't converge.

If you are unable to download, here is a 50*50 case, you can copy and create the files and run.

Really thank you again for the help.

APDL code for 50*50

FINISH
/CLEAR

*do,fid,1,1

/PREP7

!=== Define material 1
ET,1,PLANE182

MP,EX,1,6e11
MP,PRXY,1,0.3

!==== Define material 2
ET,2,PLANE182
MP,EX,2,1000
MP,PRXY,2,0.3

/PREP7

NDELE,ALL
EDELE,ALL
DDELE,ALL,ALL
NUMCMP,ALL

*set,ntb
*set,etb

filename=strcat('nodes',chrval(fid))
fext='dat'

/INQUIRE,rows1,LINES,%filename%,%fext%
*DIM,ntb,ARRAY,rows1,4
(4F6.0)    !* read 4 real numbers with maximum 6 digits, use 6 if number is 10000

filename=strcat('elements',chrval(fid))

/INQUIRE,rows2,LINES,%filename%,%fext%
*DIM,etb,ARRAY,rows2,5
(5F6.0)

*do,i,1,rows1
n,ntb(i,1),ntb(i,2),ntb(i,3),ntb(i,4)
*enddo

*do,i,1,rows2
e,etb(i,1),etb(i,2),etb(i,3),etb(i,4)
*enddo

!=== Define element group 1
k=0
nElements=1
*do,i,1,rows2
nElements=nElements+1
*if,etb(i,5),eq,1,then
k=k+1
*endif
*enddo

*status,k
*status,nElements

ESEL,S,elem,,1,k
MPCHG,1,ALL
CM,MATRIX,ELEM

ESEL,S,ELEM,,k+1,nElements
MPCHG,2,ALL
CM,FILLER,ELEM

/SOL
ANTYPE,0,NEW
NLGEOM,1
NSUBST,1000,2000,10
AUTOTS,-1.0

ALLSEL,ALL

NSEL,S,LOC,X,0
D,ALL,UX,0

NSEL,S,LOC,Y,0
D,ALL,UY,0

NSEL,S,LOC,Y,50
CP,NEXT,UY,ALL
ALLSEL,ALL

filename=strcat('nlist',chrval(fid))
/INQUIRE,rows3,LINES,%filename%,%fext%
*DIM,ctb,ARRAY,rows3,3
(3F6.0)

!=== couple top and bottom nodes for UX
*do,i,1,rows3
CP,NEXT,UX,ctb(i,2),ctb(i,3)
*enddo

*do,i,1,1     !* loop over three displacements

/SOL
u=200*i

NSEL,S,LOC,X,50
D,ALL,UX,u

ANTYPE,0
NLGEOM,1
!AUTOTS,ON
!DTIME,0.01,0.00001,0.1
!ARCLEN,ON
NSUBST,1000,2000,10

!NLMESH,BDRA,50

!CUTCONTROL,DSPLIMIT,10e7

/solu

ALLSEL,ALL
SOLVE
FINISH

/POST1
PLDISP,1

NSEL,S,LOC,X,0
set,LAST
fsum
*get,fsum,FSUM,0,ITEM,Fx
force=fsum

filename=strcat('res',chrval(fid))

*if,i,eq,1,then
*cfopen,%filename%,txt,,
*else
*cfopen,%filename%,txt,,APPEND
*endif

*vwrite,u,force
(G16.8,G16.8)
*cfclose
tempname=strcat(chrval(fid),'-')
tempname=strcat(tempname,chrval(i))
filename=strcat('nodal_stress_x',tempname)
*cfopen,%filename%,txt,,
*do,xid,1,rows1
*set,strx
*GET,strx, node,xid,s,X
*vwrite,strx
(G16.8)
*enddo
*cfclose

filename=strcat('nodal_stress_y',tempname)
*cfopen,%filename%,txt,,
*do,xid,1,rows1
*set,stry
*GET,stry, node,xid,s,Y
*vwrite,stry
(G16.8)
*enddo
*cfclose

filename=strcat('nodal_stress_xy',tempname)
*cfopen,%filename%,txt,,
*do,xid,1,rows1
*set,strxy
*GET,strxy, node,xid,s,XY
*vwrite,strxy
(G16.8)
*enddo
*cfclose

FINISH
*enddo
!/CLEAR

*enddo   !* end of outer loop

Here is the "nodes1.dat":

1,0,0,0
2,1,0,0
3,2,0,0
4,3,0,0
5,4,0,0
6,5,0,0
7,6,0,0
8,7,0,0
9,8,0,0
10,9,0,0
11,10,0,0
12,11,0,0
13,12,0,0
14,13,0,0
15,14,0,0
16,15,0,0
17,16,0,0
18,17,0,0
19,18,0,0
20,19,0,0
21,20,0,0
22,21,0,0
23,22,0,0
24,23,0,0
25,24,0,0
26,25,0,0
27,26,0,0
28,27,0,0
29,28,0,0
30,29,0,0
31,30,0,0
32,31,0,0
33,32,0,0
34,33,0,0
35,34,0,0
36,35,0,0
37,36,0,0
38,37,0,0
39,38,0,0
40,39,0,0
41,40,0,0
42,41,0,0
43,42,0,0
44,43,0,0
45,44,0,0
46,45,0,0
47,46,0,0
48,47,0,0
49,48,0,0
50,49,0,0
51,50,0,0
52,0,1,0
53,1,1,0
54,2,1,0
55,3,1,0
56,4,1,0
57,5,1,0
58,6,1,0
59,7,1,0
60,8,1,0
61,9,1,0
62,10,1,0
63,11,1,0
64,12,1,0
65,13,1,0
66,14,1,0
67,15,1,0
68,16,1,0
69,17,1,0
70,18,1,0
71,19,1,0
72,20,1,0
73,21,1,0
74,22,1,0
75,23,1,0
76,24,1,0
77,25,1,0
78,26,1,0
79,27,1,0
80,28,1,0
81,29,1,0
82,30,1,0
83,31,1,0
84,32,1,0
85,33,1,0
86,34,1,0
87,35,1,0
88,36,1,0
89,37,1,0
90,38,1,0
91,39,1,0
92,40,1,0
93,41,1,0
94,42,1,0
95,43,1,0
96,44,1,0
97,45,1,0
98,46,1,0
99,47,1,0
100,48,1,0
101,49,1,0
102,50,1,0
103,0,2,0
104,1,2,0
105,2,2,0
106,3,2,0
107,4,2,0
108,5,2,0
109,6,2,0
110,7,2,0
111,8,2,0
112,9,2,0
113,10,2,0
114,11,2,0
115,12,2,0
116,13,2,0
117,14,2,0
118,15,2,0
119,16,2,0
120,17,2,0
121,18,2,0
122,19,2,0
123,20,2,0
124,21,2,0
125,22,2,0
126,23,2,0
127,24,2,0
128,25,2,0
129,26,2,0
130,27,2,0
131,28,2,0
132,29,2,0
133,30,2,0
134,31,2,0
135,32,2,0
136,33,2,0
137,34,2,0
138,35,2,0
139,36,2,0
140,37,2,0
141,38,2,0
142,39,2,0
143,40,2,0
144,41,2,0
145,42,2,0
146,43,2,0
147,44,2,0
148,45,2,0
149,46,2,0
150,47,2,0
151,48,2,0
152,49,2,0
153,50,2,0
154,0,3,0
155,1,3,0
156,2,3,0
157,3,3,0
158,4,3,0
159,5,3,0
160,6,3,0
161,7,3,0
162,8,3,0
163,9,3,0
164,10,3,0
165,11,3,0
166,12,3,0
167,13,3,0
168,14,3,0
169,15,3,0
170,16,3,0
171,17,3,0
172,18,3,0
173,19,3,0
174,20,3,0
175,21,3,0
176,22,3,0
177,23,3,0
178,24,3,0
179,25,3,0
180,26,3,0
181,27,3,0
182,28,3,0
183,29,3,0
184,30,3,0
185,31,3,0
186,32,3,0
187,33,3,0
188,34,3,0
189,35,3,0
190,36,3,0
191,37,3,0
192,38,3,0
193,39,3,0
194,40,3,0
195,41,3,0
196,42,3,0
197,43,3,0
198,44,3,0
199,45,3,0
200,46,3,0
201,47,3,0
202,48,3,0
203,49,3,0
204,50,3,0
205,0,4,0
206,1,4,0
207,2,4,0
208,3,4,0
209,4,4,0
210,5,4,0
211,6,4,0
212,7,4,0
213,8,4,0
214,9,4,0
215,10,4,0
216,11,4,0
217,12,4,0
218,13,4,0
219,14,4,0
220,15,4,0
221,16,4,0
222,17,4,0
223,18,4,0
224,19,4,0
225,20,4,0
226,21,4,0
227,22,4,0
228,23,4,0
229,24,4,0
230,25,4,0
231,26,4,0
232,27,4,0
233,28,4,0
234,29,4,0
235,30,4,0
236,31,4,0
237,32,4,0
238,33,4,0
239,34,4,0
240,35,4,0
241,36,4,0
242,37,4,0
243,38,4,0
244,39,4,0
245,40,4,0
246,41,4,0
247,42,4,0
248,43,4,0
249,44,4,0
250,45,4,0
251,46,4,0
252,47,4,0
253,48,4,0
254,49,4,0
255,50,4,0
256,0,5,0
257,1,5,0
258,2,5,0
259,3,5,0
260,4,5,0
261,5,5,0
262,6,5,0
263,7,5,0
264,8,5,0
265,9,5,0
266,10,5,0
267,11,5,0
268,12,5,0
269,13,5,0
270,14,5,0
271,15,5,0
272,16,5,0
273,17,5,0
274,18,5,0
275,19,5,0
276,20,5,0
277,21,5,0
278,22,5,0
279,23,5,0
280,24,5,0
281,25,5,0
282,26,5,0
283,27,5,0
284,28,5,0
285,29,5,0
286,30,5,0
287,31,5,0
288,32,5,0
289,33,5,0
290,34,5,0
291,35,5,0
292,36,5,0
293,37,5,0
294,38,5,0
295,39,5,0
296,40,5,0
297,41,5,0
298,42,5,0
299,43,5,0
300,44,5,0
301,45,5,0
302,46,5,0
303,47,5,0
304,48,5,0
305,49,5,0
306,50,5,0
307,0,6,0
308,1,6,0
309,2,6,0
310,3,6,0
311,4,6,0
312,5,6,0
313,6,6,0
314,7,6,0
315,8,6,0
316,9,6,0
317,10,6,0
318,11,6,0
319,12,6,0
320,13,6,0
321,14,6,0
322,15,6,0
323,16,6,0
324,17,6,0
325,18,6,0
326,19,6,0
327,20,6,0
328,21,6,0
329,22,6,0
330,23,6,0
331,24,6,0
332,25,6,0
333,26,6,0
334,27,6,0
335,28,6,0
336,29,6,0
337,30,6,0
338,31,6,0
339,32,6,0
340,33,6,0
341,34,6,0
342,35,6,0
343,36,6,0
344,37,6,0
345,38,6,0
346,39,6,0
347,40,6,0
348,41,6,0
349,42,6,0
350,43,6,0
351,44,6,0
352,45,6,0
353,46,6,0
354,47,6,0
355,48,6,0
356,49,6,0
357,50,6,0
358,0,7,0
359,1,7,0
360,2,7,0
361,3,7,0
362,4,7,0
363,5,7,0
364,6,7,0
365,7,7,0
366,8,7,0
367,9,7,0
368,10,7,0
369,11,7,0
370,12,7,0
371,13,7,0
372,14,7,0
373,15,7,0
374,16,7,0
375,17,7,0
376,18,7,0
377,19,7,0
378,20,7,0
379,21,7,0
380,22,7,0
381,23,7,0
382,24,7,0
383,25,7,0
384,26,7,0
385,27,7,0
386,28,7,0
387,29,7,0
388,30,7,0
389,31,7,0
390,32,7,0
391,33,7,0
392,34,7,0
393,35,7,0
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1329,2,26,0
1330,3,26,0
1331,4,26,0
1332,5,26,0
1333,6,26,0
1334,7,26,0
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1356,29,26,0
1357,30,26,0
1358,31,26,0
1359,32,26,0
1360,33,26,0
1361,34,26,0
1362,35,26,0
1363,36,26,0
1364,37,26,0
1365,38,26,0
1366,39,26,0
1367,40,26,0
1368,41,26,0
1369,42,26,0
1370,43,26,0
1371,44,26,0
1372,45,26,0
1373,46,26,0
1374,47,26,0
1375,48,26,0
1376,49,26,0
1377,50,26,0
1378,0,27,0
1379,1,27,0
1380,2,27,0
1381,3,27,0
1382,4,27,0
1383,5,27,0
1384,6,27,0
1385,7,27,0
1386,8,27,0
1387,9,27,0
1388,10,27,0
1389,11,27,0
1390,12,27,0
1391,13,27,0
1392,14,27,0
1393,15,27,0
1394,16,27,0
1395,17,27,0
1396,18,27,0
1397,19,27,0
1398,20,27,0
1399,21,27,0
1400,22,27,0
1401,23,27,0
1402,24,27,0
1403,25,27,0
1404,26,27,0
1405,27,27,0
1406,28,27,0
1407,29,27,0
1408,30,27,0
1409,31,27,0
1410,32,27,0
1411,33,27,0
1412,34,27,0
1413,35,27,0
1414,36,27,0
1415,37,27,0
1416,38,27,0
1417,39,27,0
1418,40,27,0
1419,41,27,0
1420,42,27,0
1421,43,27,0
1422,44,27,0
1423,45,27,0
1424,46,27,0
1425,47,27,0
1426,48,27,0
1427,49,27,0
1428,50,27,0
1429,0,28,0
1430,1,28,0
1431,2,28,0
1432,3,28,0
1433,4,28,0
1434,5,28,0
1435,6,28,0
1436,7,28,0
1437,8,28,0
1438,9,28,0
1439,10,28,0
1440,11,28,0
1441,12,28,0
1442,13,28,0
1443,14,28,0
1444,15,28,0
1445,16,28,0
1446,17,28,0
1447,18,28,0
1448,19,28,0
1449,20,28,0
1450,21,28,0
1451,22,28,0
1452,23,28,0
1453,24,28,0
1454,25,28,0
1455,26,28,0
1456,27,28,0
1457,28,28,0
1458,29,28,0
1459,30,28,0
1460,31,28,0
1461,32,28,0
1462,33,28,0
1463,34,28,0
1464,35,28,0
1465,36,28,0
1466,37,28,0
1467,38,28,0
1468,39,28,0
1469,40,28,0
1470,41,28,0
1471,42,28,0
1472,43,28,0
1473,44,28,0
1474,45,28,0
1475,46,28,0
1476,47,28,0
1477,48,28,0
1478,49,28,0
1479,50,28,0
1480,0,29,0
1481,1,29,0
1482,2,29,0
1483,3,29,0
1484,4,29,0
1485,5,29,0
1486,6,29,0
1487,7,29,0
1488,8,29,0
1489,9,29,0
1490,10,29,0
1491,11,29,0
1492,12,29,0
1493,13,29,0
1494,14,29,0
1495,15,29,0
1496,16,29,0
1497,17,29,0
1498,18,29,0
1499,19,29,0
1500,20,29,0
1501,21,29,0
1502,22,29,0
1503,23,29,0
1504,24,29,0
1505,25,29,0
1506,26,29,0
1507,27,29,0
1508,28,29,0
1509,29,29,0
1510,30,29,0
1511,31,29,0
1512,32,29,0
1513,33,29,0
1514,34,29,0
1515,35,29,0
1516,36,29,0
1517,37,29,0
1518,38,29,0
1519,39,29,0
1520,40,29,0
1521,41,29,0
1522,42,29,0
1523,43,29,0
1524,44,29,0
1525,45,29,0
1526,46,29,0
1527,47,29,0
1528,48,29,0
1529,49,29,0
1530,50,29,0
1531,0,30,0
1532,1,30,0
1533,2,30,0
1534,3,30,0
1535,4,30,0
1536,5,30,0
1537,6,30,0
1538,7,30,0
1539,8,30,0
1540,9,30,0
1541,10,30,0
1542,11,30,0
1543,12,30,0
1544,13,30,0
1545,14,30,0
1546,15,30,0
1547,16,30,0
1548,17,30,0
1549,18,30,0
1550,19,30,0
1551,20,30,0
1552,21,30,0
1553,22,30,0
1554,23,30,0
1555,24,30,0
1556,25,30,0
1557,26,30,0
1558,27,30,0
1559,28,30,0
1560,29,30,0
1561,30,30,0
1562,31,30,0
1563,32,30,0
1564,33,30,0
1565,34,30,0
1566,35,30,0
1567,36,30,0
1568,37,30,0
1569,38,30,0
1570,39,30,0
1571,40,30,0
1572,41,30,0
1573,42,30,0
1574,43,30,0
1575,44,30,0
1576,45,30,0
1577,46,30,0
1578,47,30,0
1579,48,30,0
1580,49,30,0
1581,50,30,0
1582,0,31,0
1583,1,31,0
1584,2,31,0
1585,3,31,0
1586,4,31,0
1587,5,31,0
1588,6,31,0
1589,7,31,0
1590,8,31,0
1591,9,31,0
1592,10,31,0
1593,11,31,0
1594,12,31,0
1595,13,31,0
1596,14,31,0
1597,15,31,0
1598,16,31,0
1599,17,31,0
1600,18,31,0
1601,19,31,0
1602,20,31,0
1603,21,31,0
1604,22,31,0
1605,23,31,0
1606,24,31,0
1607,25,31,0
1608,26,31,0
1609,27,31,0
1610,28,31,0
1611,29,31,0
1612,30,31,0
1613,31,31,0
1614,32,31,0
1615,33,31,0
1616,34,31,0
1617,35,31,0
1618,36,31,0
1619,37,31,0
1620,38,31,0
1621,39,31,0
1622,40,31,0
1623,41,31,0
1624,42,31,0
1625,43,31,0
1626,44,31,0
1627,45,31,0
1628,46,31,0
1629,47,31,0
1630,48,31,0
1631,49,31,0
1632,50,31,0
1633,0,32,0
1634,1,32,0
1635,2,32,0
1636,3,32,0
1637,4,32,0
1638,5,32,0
1639,6,32,0
1640,7,32,0
1641,8,32,0
1642,9,32,0
1643,10,32,0
1644,11,32,0
1645,12,32,0
1646,13,32,0
1647,14,32,0
1648,15,32,0
1649,16,32,0
1650,17,32,0
1651,18,32,0
1652,19,32,0
1653,20,32,0
1654,21,32,0
1655,22,32,0
1656,23,32,0
1657,24,32,0
1658,25,32,0
1659,26,32,0
1660,27,32,0
1661,28,32,0
1662,29,32,0
1663,30,32,0
1664,31,32,0
1665,32,32,0
1666,33,32,0
1667,34,32,0
1668,35,32,0
1669,36,32,0
1670,37,32,0
1671,38,32,0
1672,39,32,0
1673,40,32,0
1674,41,32,0
1675,42,32,0
1676,43,32,0
1677,44,32,0
1678,45,32,0
1679,46,32,0
1680,47,32,0
1681,48,32,0
1682,49,32,0
1683,50,32,0
1684,0,33,0
1685,1,33,0
1686,2,33,0
1687,3,33,0
1688,4,33,0
1689,5,33,0
1690,6,33,0
1691,7,33,0
1692,8,33,0
1693,9,33,0
1694,10,33,0
1695,11,33,0
1696,12,33,0
1697,13,33,0
1698,14,33,0
1699,15,33,0
1700,16,33,0
1701,17,33,0
1702,18,33,0
1703,19,33,0
1704,20,33,0
1705,21,33,0
1706,22,33,0
1707,23,33,0
1708,24,33,0
1709,25,33,0
1710,26,33,0
1711,27,33,0
1712,28,33,0
1713,29,33,0
1714,30,33,0
1715,31,33,0
1716,32,33,0
1717,33,33,0
1718,34,33,0
1719,35,33,0
1720,36,33,0
1721,37,33,0
1722,38,33,0
1723,39,33,0
1724,40,33,0
1725,41,33,0
1726,42,33,0
1727,43,33,0
1728,44,33,0
1729,45,33,0
1730,46,33,0
1731,47,33,0
1732,48,33,0
1733,49,33,0
1734,50,33,0
1735,0,34,0
1736,1,34,0
1737,2,34,0
1738,3,34,0
1739,4,34,0
1740,5,34,0
1741,6,34,0
1742,7,34,0
1743,8,34,0
1744,9,34,0
1745,10,34,0
1746,11,34,0
1747,12,34,0
1748,13,34,0
1749,14,34,0
1750,15,34,0
1751,16,34,0
1752,17,34,0
1753,18,34,0
1754,19,34,0
1755,20,34,0
1756,21,34,0
1757,22,34,0
1758,23,34,0
1759,24,34,0
1760,25,34,0
1761,26,34,0
1762,27,34,0
1763,28,34,0
1764,29,34,0
1765,30,34,0
1766,31,34,0
1767,32,34,0
1768,33,34,0
1769,34,34,0
1770,35,34,0
1771,36,34,0
1772,37,34,0
1773,38,34,0
1774,39,34,0
1775,40,34,0
1776,41,34,0
1777,42,34,0
1778,43,34,0
1779,44,34,0
1780,45,34,0
1781,46,34,0
1782,47,34,0
1783,48,34,0
1784,49,34,0
1785,50,34,0
1786,0,35,0
1787,1,35,0
1788,2,35,0
1789,3,35,0
1790,4,35,0
1791,5,35,0
1792,6,35,0
1793,7,35,0
1794,8,35,0
1795,9,35,0
1796,10,35,0
1797,11,35,0
1798,12,35,0
1799,13,35,0
1800,14,35,0
1801,15,35,0
1802,16,35,0
1803,17,35,0
1804,18,35,0
1805,19,35,0
1806,20,35,0
1807,21,35,0
1808,22,35,0
1809,23,35,0
1810,24,35,0
1811,25,35,0
1812,26,35,0
1813,27,35,0
1814,28,35,0
1815,29,35,0
1816,30,35,0
1817,31,35,0
1818,32,35,0
1819,33,35,0
1820,34,35,0
1821,35,35,0
1822,36,35,0
1823,37,35,0
1824,38,35,0
1825,39,35,0
1826,40,35,0
1827,41,35,0
1828,42,35,0
1829,43,35,0
1830,44,35,0
1831,45,35,0
1832,46,35,0
1833,47,35,0
1834,48,35,0
1835,49,35,0
1836,50,35,0
1837,0,36,0
1838,1,36,0
1839,2,36,0
1840,3,36,0
1841,4,36,0
1842,5,36,0
1843,6,36,0
1844,7,36,0
1845,8,36,0
1846,9,36,0
1847,10,36,0
1848,11,36,0
1849,12,36,0
1850,13,36,0
1851,14,36,0
1852,15,36,0
1853,16,36,0
1854,17,36,0
1855,18,36,0
1856,19,36,0
1857,20,36,0
1858,21,36,0
1859,22,36,0
1860,23,36,0
1861,24,36,0
1862,25,36,0
1863,26,36,0
1864,27,36,0
1865,28,36,0
1866,29,36,0
1867,30,36,0
1868,31,36,0
1869,32,36,0
1870,33,36,0
1871,34,36,0
1872,35,36,0
1873,36,36,0
1874,37,36,0
1875,38,36,0
1876,39,36,0
1877,40,36,0
1878,41,36,0
1879,42,36,0
1880,43,36,0
1881,44,36,0
1882,45,36,0
1883,46,36,0
1884,47,36,0
1885,48,36,0
1886,49,36,0
1887,50,36,0
1888,0,37,0
1889,1,37,0
1890,2,37,0
1891,3,37,0
1892,4,37,0
1893,5,37,0
1894,6,37,0
1895,7,37,0
1896,8,37,0
1897,9,37,0
1898,10,37,0
1899,11,37,0
1900,12,37,0
1901,13,37,0
1902,14,37,0
1903,15,37,0
1904,16,37,0
1905,17,37,0
1906,18,37,0
1907,19,37,0
1908,20,37,0
1909,21,37,0
1910,22,37,0
1911,23,37,0
1912,24,37,0
1913,25,37,0
1914,26,37,0
1915,27,37,0
1916,28,37,0
1917,29,37,0
1918,30,37,0
1919,31,37,0
1920,32,37,0
1921,33,37,0
1922,34,37,0
1923,35,37,0
1924,36,37,0
1925,37,37,0
1926,38,37,0
1927,39,37,0
1928,40,37,0
1929,41,37,0
1930,42,37,0
1931,43,37,0
1932,44,37,0
1933,45,37,0
1934,46,37,0
1935,47,37,0
1936,48,37,0
1937,49,37,0
1938,50,37,0
1939,0,38,0
1940,1,38,0
1941,2,38,0
1942,3,38,0
1943,4,38,0
1944,5,38,0
1945,6,38,0
1946,7,38,0
1947,8,38,0
1948,9,38,0
1949,10,38,0
1950,11,38,0
1951,12,38,0
1952,13,38,0
1953,14,38,0
1954,15,38,0
1955,16,38,0
1956,17,38,0
1957,18,38,0
1958,19,38,0
1959,20,38,0
1960,21,38,0
1961,22,38,0
1962,23,38,0
1963,24,38,0
1964,25,38,0
1965,26,38,0
1966,27,38,0
1967,28,38,0
1968,29,38,0
1969,30,38,0
1970,31,38,0
1971,32,38,0
1972,33,38,0
1973,34,38,0
1974,35,38,0
1975,36,38,0
1976,37,38,0
1977,38,38,0
1978,39,38,0
1979,40,38,0
1980,41,38,0
1981,42,38,0
1982,43,38,0
1983,44,38,0
1984,45,38,0
1985,46,38,0
1986,47,38,0
1987,48,38,0
1988,49,38,0
1989,50,38,0
1990,0,39,0
1991,1,39,0
1992,2,39,0
1993,3,39,0
1994,4,39,0
1995,5,39,0
1996,6,39,0
1997,7,39,0
1998,8,39,0
1999,9,39,0
2000,10,39,0
2001,11,39,0
2002,12,39,0
2003,13,39,0
2004,14,39,0
2005,15,39,0
2006,16,39,0
2007,17,39,0
2008,18,39,0
2009,19,39,0
2010,20,39,0
2011,21,39,0
2012,22,39,0
2013,23,39,0
2014,24,39,0
2015,25,39,0
2016,26,39,0
2017,27,39,0
2018,28,39,0
2019,29,39,0
2020,30,39,0
2021,31,39,0
2022,32,39,0
2023,33,39,0
2024,34,39,0
2025,35,39,0
2026,36,39,0
2027,37,39,0
2028,38,39,0
2029,39,39,0
2030,40,39,0
2031,41,39,0
2032,42,39,0
2033,43,39,0
2034,44,39,0
2035,45,39,0
2036,46,39,0
2037,47,39,0
2038,48,39,0
2039,49,39,0
2040,50,39,0
2041,0,40,0
2042,1,40,0
2043,2,40,0
2044,3,40,0
2045,4,40,0
2046,5,40,0
2047,6,40,0
2048,7,40,0
2049,8,40,0
2050,9,40,0
2051,10,40,0
2052,11,40,0
2053,12,40,0
2054,13,40,0
2055,14,40,0
2056,15,40,0
2057,16,40,0
2058,17,40,0
2059,18,40,0
2060,19,40,0
2061,20,40,0
2062,21,40,0
2063,22,40,0
2064,23,40,0
2065,24,40,0
2066,25,40,0
2067,26,40,0
2068,27,40,0
2069,28,40,0
2070,29,40,0
2071,30,40,0
2072,31,40,0
2073,32,40,0
2074,33,40,0
2075,34,40,0
2076,35,40,0
2077,36,40,0
2078,37,40,0
2079,38,40,0
2080,39,40,0
2081,40,40,0
2082,41,40,0
2083,42,40,0
2084,43,40,0
2085,44,40,0
2086,45,40,0
2087,46,40,0
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2601,50,50,0

Here is the "elements1.dat":

1,2,53,52,1
52,53,104,103,1
103,104,155,154,1
115,116,167,166,1
116,117,168,167,1
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1509,1510,1561,1560,0
1510,1511,1562,1561,0
1513,1514,1565,1564,0
1514,1515,1566,1565,0
1515,1516,1567,1566,0
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1517,1518,1569,1568,0
1518,1519,1570,1569,0
1519,1520,1571,1570,0
1520,1521,1572,1571,0
1521,1522,1573,1572,0
1522,1523,1574,1573,0
1523,1524,1575,1574,0
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1525,1526,1577,1576,0
1526,1527,1578,1577,0
1527,1528,1579,1578,0
1528,1529,1580,1579,0
1529,1530,1581,1580,0
1533,1534,1585,1584,0
1534,1535,1586,1585,0
1535,1536,1587,1586,0
1536,1537,1588,1587,0
1537,1538,1589,1588,0
1538,1539,1590,1589,0
1539,1540,1591,1590,0
1540,1541,1592,1591,0
1541,1542,1593,1592,0
1542,1543,1594,1593,0
1543,1544,1595,1594,0
1544,1545,1596,1595,0
1545,1546,1597,1596,0
1546,1547,1598,1597,0
1547,1548,1599,1598,0
1548,1549,1600,1599,0
1549,1550,1601,1600,0
1550,1551,1602,1601,0
1551,1552,1603,1602,0
1552,1553,1604,1603,0
1553,1554,1605,1604,0
1554,1555,1606,1605,0
1555,1556,1607,1606,0
1556,1557,1608,1607,0
1557,1558,1609,1608,0
1558,1559,1610,1609,0
1559,1560,1611,1610,0
1560,1561,1612,1611,0
1561,1562,1613,1612,0
1563,1564,1615,1614,0
1564,1565,1616,1615,0
1565,1566,1617,1616,0
1566,1567,1618,1617,0
1567,1568,1619,1618,0
1568,1569,1620,1619,0
1569,1570,1621,1620,0
1570,1571,1622,1621,0
1571,1572,1623,1622,0
1572,1573,1624,1623,0
1573,1574,1625,1624,0
1574,1575,1626,1625,0
1575,1576,1627,1626,0
1576,1577,1628,1627,0
1577,1578,1629,1628,0
1578,1579,1630,1629,0
1579,1580,1631,1630,0
1580,1581,1632,1631,0
1584,1585,1636,1635,0
1585,1586,1637,1636,0
1586,1587,1638,1637,0
1587,1588,1639,1638,0
1588,1589,1640,1639,0
1589,1590,1641,1640,0
1590,1591,1642,1641,0
1591,1592,1643,1642,0
1592,1593,1644,1643,0
1593,1594,1645,1644,0
1594,1595,1646,1645,0
1595,1596,1647,1646,0
1596,1597,1648,1647,0
1597,1598,1649,1648,0
1598,1599,1650,1649,0
1599,1600,1651,1650,0
1600,1601,1652,1651,0
1601,1602,1653,1652,0
1602,1603,1654,1653,0
1603,1604,1655,1654,0
1604,1605,1656,1655,0
1605,1606,1657,1656,0
1606,1607,1658,1657,0
1607,1608,1659,1658,0
1608,1609,1660,1659,0
1609,1610,1661,1660,0
1610,1611,1662,1661,0
1611,1612,1663,1662,0
1612,1613,1664,1663,0
1613,1614,1665,1664,0
1614,1615,1666,1665,0
1615,1616,1667,1666,0
1616,1617,1668,1667,0
1617,1618,1669,1668,0
1618,1619,1670,1669,0
1619,1620,1671,1670,0
1620,1621,1672,1671,0
1621,1622,1673,1672,0
1622,1623,1674,1673,0
1623,1624,1675,1674,0
1624,1625,1676,1675,0
1625,1626,1677,1676,0
1626,1627,1678,1677,0
1627,1628,1679,1678,0
1628,1629,1680,1679,0
1629,1630,1681,1680,0
1630,1631,1682,1681,0
1631,1632,1683,1682,0
1635,1636,1687,1686,0
1636,1637,1688,1687,0
1637,1638,1689,1688,0
1638,1639,1690,1689,0
1639,1640,1691,1690,0
1640,1641,1692,1691,0
1641,1642,1693,1692,0
1642,1643,1694,1693,0
1643,1644,1695,1694,0
1644,1645,1696,1695,0
1645,1646,1697,1696,0
1646,1647,1698,1697,0
1647,1648,1699,1698,0
1648,1649,1700,1699,0
1649,1650,1701,1700,0
1650,1651,1702,1701,0
1651,1652,1703,1702,0
1652,1653,1704,1703,0
1653,1654,1705,1704,0
1654,1655,1706,1705,0
1655,1656,1707,1706,0
1656,1657,1708,1707,0
1657,1658,1709,1708,0
1658,1659,1710,1709,0
1659,1660,1711,1710,0
1660,1661,1712,1711,0
1661,1662,1713,1712,0
1662,1663,1714,1713,0
1663,1664,1715,1714,0
1664,1665,1716,1715,0
1665,1666,1717,1716,0
1666,1667,1718,1717,0
1667,1668,1719,1718,0
1668,1669,1720,1719,0
1669,1670,1721,1720,0
1670,1671,1722,1721,0
1671,1672,1723,1722,0
1672,1673,1724,1723,0
1673,1674,1725,1724,0
1674,1675,1726,1725,0
1675,1676,1727,1726,0
1676,1677,1728,1727,0
1677,1678,1729,1728,0
1678,1679,1730,1729,0
1679,1680,1731,1730,0
1680,1681,1732,1731,0
1681,1682,1733,1732,0
1682,1683,1734,1733,0
1684,1685,1736,1735,0
1685,1686,1737,1736,0
1686,1687,1738,1737,0
1687,1688,1739,1738,0
1688,1689,1740,1739,0
1689,1690,1741,1740,0
1690,1691,1742,1741,0
1691,1692,1743,1742,0
1692,1693,1744,1743,0
1693,1694,1745,1744,0
1694,1695,1746,1745,0
1695,1696,1747,1746,0
1696,1697,1748,1747,0
1697,1698,1749,1748,0
1698,1699,1750,1749,0
1699,1700,1751,1750,0
1700,1701,1752,1751,0
1701,1702,1753,1752,0
1702,1703,1754,1753,0
1703,1704,1755,1754,0
1704,1705,1756,1755,0
1705,1706,1757,1756,0
1706,1707,1758,1757,0
1707,1708,1759,1758,0
1708,1709,1760,1759,0
1709,1710,1761,1760,0
1710,1711,1762,1761,0
1711,1712,1763,1762,0
1712,1713,1764,1763,0
1713,1714,1765,1764,0
1714,1715,1766,1765,0
1715,1716,1767,1766,0
1716,1717,1768,1767,0
1717,1718,1769,1768,0
1718,1719,1770,1769,0
1719,1720,1771,1770,0
1720,1721,1772,1771,0
1721,1722,1773,1772,0
1722,1723,1774,1773,0
1723,1724,1775,1774,0
1724,1725,1776,1775,0
1725,1726,1777,1776,0
1726,1727,1778,1777,0
1727,1728,1779,1778,0
1728,1729,1780,1779,0
1729,1730,1781,1780,0
1730,1731,1782,1781,0
1731,1732,1783,1782,0
1732,1733,1784,1783,0
1733,1734,1785,1784,0
1735,1736,1787,1786,0
1736,1737,1788,1787,0
1742,1743,1794,1793,0
1743,1744,1795,1794,0
1744,1745,1796,1795,0
1745,1746,1797,1796,0
1746,1747,1798,1797,0
1747,1748,1799,1798,0
1748,1749,1800,1799,0
1749,1750,1801,1800,0
1750,1751,1802,1801,0
1751,1752,1803,1802,0
1752,1753,1804,1803,0
1753,1754,1805,1804,0
1754,1755,1806,1805,0
1755,1756,1807,1806,0
1756,1757,1808,1807,0
1757,1758,1809,1808,0
1758,1759,1810,1809,0
1759,1760,1811,1810,0
1760,1761,1812,1811,0
1761,1762,1813,1812,0
1762,1763,1814,1813,0
1763,1764,1815,1814,0
1764,1765,1816,1815,0
1765,1766,1817,1816,0
1766,1767,1818,1817,0
1767,1768,1819,1818,0
1768,1769,1820,1819,0
1769,1770,1821,1820,0
1770,1771,1822,1821,0
1771,1772,1823,1822,0
1772,1773,1824,1823,0
1773,1774,1825,1824,0
1774,1775,1826,1825,0
1775,1776,1827,1826,0
1776,1777,1828,1827,0
1777,1778,1829,1828,0
1778,1779,1830,1829,0
1779,1780,1831,1830,0
1780,1781,1832,1831,0
1781,1782,1833,1832,0
1782,1783,1834,1833,0
1783,1784,1835,1834,0
1784,1785,1836,1835,0
1786,1787,1838,1837,0
1787,1788,1839,1838,0
1788,1789,1840,1839,0
1789,1790,1841,1840,0
1790,1791,1842,1841,0
1791,1792,1843,1842,0
1792,1793,1844,1843,0
1793,1794,1845,1844,0
1794,1795,1846,1845,0
1795,1796,1847,1846,0
1796,1797,1848,1847,0
1797,1798,1849,1848,0
1798,1799,1850,1849,0
1799,1800,1851,1850,0
1800,1801,1852,1851,0
1801,1802,1853,1852,0
1802,1803,1854,1853,0
1803,1804,1855,1854,0
1804,1805,1856,1855,0
1805,1806,1857,1856,0
1806,1807,1858,1857,0
1807,1808,1859,1858,0
1808,1809,1860,1859,0
1809,1810,1861,1860,0
1810,1811,1862,1861,0
1811,1812,1863,1862,0
1812,1813,1864,1863,0
1813,1814,1865,1864,0
1814,1815,1866,1865,0
1815,1816,1867,1866,0
1816,1817,1868,1867,0
1817,1818,1869,1868,0
1819,1820,1871,1870,0
1820,1821,1872,1871,0
1821,1822,1873,1872,0
1822,1823,1874,1873,0
1823,1824,1875,1874,0
1824,1825,1876,1875,0
1825,1826,1877,1876,0
1826,1827,1878,1877,0
1827,1828,1879,1878,0
1828,1829,1880,1879,0
1829,1830,1881,1880,0
1830,1831,1882,1881,0
1831,1832,1883,1882,0
1832,1833,1884,1883,0
1833,1834,1885,1884,0
1834,1835,1886,1885,0
1835,1836,1887,1886,0
1837,1838,1889,1888,0
1838,1839,1890,1889,0
1839,1840,1891,1890,0
1840,1841,1892,1891,0
1841,1842,1893,1892,0
1842,1843,1894,1893,0
1843,1844,1895,1894,0
1844,1845,1896,1895,0
1845,1846,1897,1896,0
1846,1847,1898,1897,0
1847,1848,1899,1898,0
1848,1849,1900,1899,0
1849,1850,1901,1900,0
1850,1851,1902,1901,0
1851,1852,1903,1902,0
1852,1853,1904,1903,0
1853,1854,1905,1904,0
1854,1855,1906,1905,0
1855,1856,1907,1906,0
1856,1857,1908,1907,0
1857,1858,1909,1908,0
1858,1859,1910,1909,0
1859,1860,1911,1910,0
1860,1861,1912,1911,0
1861,1862,1913,1912,0
1862,1863,1914,1913,0
1863,1864,1915,1914,0
1864,1865,1916,1915,0
1865,1866,1917,1916,0
1866,1867,1918,1917,0
1867,1868,1919,1918,0
1868,1869,1920,1919,0
1869,1870,1921,1920,0
1870,1871,1922,1921,0
1871,1872,1923,1922,0
1872,1873,1924,1923,0
1873,1874,1925,1924,0
1874,1875,1926,1925,0
1875,1876,1927,1926,0
1876,1877,1928,1927,0
1877,1878,1929,1928,0
1878,1879,1930,1929,0
1879,1880,1931,1930,0
1880,1881,1932,1931,0
1881,1882,1933,1932,0
1882,1883,1934,1933,0
1883,1884,1935,1934,0
1884,1885,1936,1935,0
1885,1886,1937,1936,0
1886,1887,1938,1937,0
1888,1889,1940,1939,0
1889,1890,1941,1940,0
1890,1891,1942,1941,0
1891,1892,1943,1942,0
1892,1893,1944,1943,0
1893,1894,1945,1944,0
1894,1895,1946,1945,0
1896,1897,1948,1947,0
1897,1898,1949,1948,0
1898,1899,1950,1949,0
1899,1900,1951,1950,0
1900,1901,1952,1951,0
1901,1902,1953,1952,0
1902,1903,1954,1953,0
1903,1904,1955,1954,0
1904,1905,1956,1955,0
1905,1906,1957,1956,0
1906,1907,1958,1957,0
1907,1908,1959,1958,0
1908,1909,1960,1959,0
1909,1910,1961,1960,0
1910,1911,1962,1961,0
1911,1912,1963,1962,0
1912,1913,1964,1963,0
1913,1914,1965,1964,0
1914,1915,1966,1965,0
1915,1916,1967,1966,0
1916,1917,1968,1967,0
1917,1918,1969,1968,0
1918,1919,1970,1969,0
1919,1920,1971,1970,0
1920,1921,1972,1971,0
1921,1922,1973,1972,0
1922,1923,1974,1973,0
1923,1924,1975,1974,0
1924,1925,1976,1975,0
1925,1926,1977,1976,0
1926,1927,1978,1977,0
1927,1928,1979,1978,0
1930,1931,1982,1981,0
1931,1932,1983,1982,0
1932,1933,1984,1983,0
1933,1934,1985,1984,0
1934,1935,1986,1985,0
1935,1936,1987,1986,0
1936,1937,1988,1987,0
1937,1938,1989,1988,0
1939,1940,1991,1990,0
1940,1941,1992,1991,0
1941,1942,1993,1992,0
1942,1943,1994,1993,0
1943,1944,1995,1994,0
1944,1945,1996,1995,0
1945,1946,1997,1996,0
1947,1948,1999,1998,0
1948,1949,2000,1999,0
1949,1950,2001,2000,0
1950,1951,2002,2001,0
1951,1952,2003,2002,0
1952,1953,2004,2003,0
1953,1954,2005,2004,0
1954,1955,2006,2005,0
1955,1956,2007,2006,0
1956,1957,2008,2007,0
1957,1958,2009,2008,0
1958,1959,2010,2009,0
1959,1960,2011,2010,0
1960,1961,2012,2011,0
1961,1962,2013,2012,0
1962,1963,2014,2013,0
1963,1964,2015,2014,0
1964,1965,2016,2015,0
1965,1966,2017,2016,0
1966,1967,2018,2017,0
1967,1968,2019,2018,0
1968,1969,2020,2019,0
1969,1970,2021,2020,0
1970,1971,2022,2021,0
1971,1972,2023,2022,0
1972,1973,2024,2023,0
1973,1974,2025,2024,0
1974,1975,2026,2025,0
1975,1976,2027,2026,0
1976,1977,2028,2027,0
1977,1978,2029,2028,0
1978,1979,2030,2029,0
1979,1980,2031,2030,0
1980,1981,2032,2031,0
1981,1982,2033,2032,0
1984,1985,2036,2035,0
1985,1986,2037,2036,0
1986,1987,2038,2037,0
1987,1988,2039,2038,0
1988,1989,2040,2039,0
1990,1991,2042,2041,0
1991,1992,2043,2042,0
1992,1993,2044,2043,0
1993,1994,2045,2044,0
1994,1995,2046,2045,0
1995,1996,2047,2046,0
1998,1999,2050,2049,0
1999,2000,2051,2050,0
2000,2001,2052,2051,0
2001,2002,2053,2052,0
2002,2003,2054,2053,0
2003,2004,2055,2054,0
2004,2005,2056,2055,0
2005,2006,2057,2056,0
2006,2007,2058,2057,0
2007,2008,2059,2058,0
2008,2009,2060,2059,0
2009,2010,2061,2060,0
2010,2011,2062,2061,0
2011,2012,2063,2062,0
2012,2013,2064,2063,0
2013,2014,2065,2064,0
2014,2015,2066,2065,0
2015,2016,2067,2066,0
2016,2017,2068,2067,0
2017,2018,2069,2068,0
2018,2019,2070,2069,0
2019,2020,2071,2070,0
2020,2021,2072,2071,0
2021,2022,2073,2072,0
2022,2023,2074,2073,0
2023,2024,2075,2074,0
2025,2026,2077,2076,0
2026,2027,2078,2077,0
2027,2028,2079,2078,0
2028,2029,2080,2079,0
2029,2030,2081,2080,0
2030,2031,2082,2081,0
2031,2032,2083,2082,0
2032,2033,2084,2083,0
2035,2036,2087,2086,0
2036,2037,2088,2087,0
2037,2038,2089,2088,0
2038,2039,2090,2089,0
2039,2040,2091,2090,0
2041,2042,2093,2092,0
2042,2043,2094,2093,0
2043,2044,2095,2094,0
2044,2045,2096,2095,0
2045,2046,2097,2096,0
2046,2047,2098,2097,0
2047,2048,2099,2098,0
2048,2049,2100,2099,0
2049,2050,2101,2100,0
2050,2051,2102,2101,0
2051,2052,2103,2102,0
2052,2053,2104,2103,0
2053,2054,2105,2104,0
2054,2055,2106,2105,0
2055,2056,2107,2106,0
2056,2057,2108,2107,0
2057,2058,2109,2108,0
2058,2059,2110,2109,0
2059,2060,2111,2110,0
2060,2061,2112,2111,0
2061,2062,2113,2112,0
2062,2063,2114,2113,0
2063,2064,2115,2114,0
2064,2065,2116,2115,0
2065,2066,2117,2116,0
2066,2067,2118,2117,0
2067,2068,2119,2118,0
2068,2069,2120,2119,0
2069,2070,2121,2120,0
2070,2071,2122,2121,0
2071,2072,2123,2122,0
2072,2073,2124,2123,0
2073,2074,2125,2124,0
2074,2075,2126,2125,0
2076,2077,2128,2127,0
2077,2078,2129,2128,0
2078,2079,2130,2129,0
2079,2080,2131,2130,0
2080,2081,2132,2131,0
2081,2082,2133,2132,0
2082,2083,2134,2133,0
2083,2084,2135,2134,0
2084,2085,2136,2135,0
2085,2086,2137,2136,0
2086,2087,2138,2137,0
2087,2088,2139,2138,0
2088,2089,2140,2139,0
2089,2090,2141,2140,0
2090,2091,2142,2141,0
2092,2093,2144,2143,0
2093,2094,2145,2144,0
2094,2095,2146,2145,0
2095,2096,2147,2146,0
2096,2097,2148,2147,0
2097,2098,2149,2148,0
2098,2099,2150,2149,0
2099,2100,2151,2150,0
2100,2101,2152,2151,0
2101,2102,2153,2152,0
2102,2103,2154,2153,0
2103,2104,2155,2154,0
2104,2105,2156,2155,0
2105,2106,2157,2156,0
2106,2107,2158,2157,0
2107,2108,2159,2158,0
2108,2109,2160,2159,0
2109,2110,2161,2160,0
2110,2111,2162,2161,0
2111,2112,2163,2162,0
2112,2113,2164,2163,0
2113,2114,2165,2164,0
2114,2115,2166,2165,0
2115,2116,2167,2166,0
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2500,2501,2552,2551,0
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2544,2545,2596,2595,0
2545,2546,2597,2596,0
2546,2547,2598,2597,0

Here is the "nlist1.dat"

2,2,2552
3,3,2553
4,4,2554
5,5,2555
6,6,2556
7,7,2557
8,8,2558
9,9,2559
10,10,2560
11,11,2561
12,12,2562
13,13,2563
14,14,2564
15,15,2565
16,16,2566
17,17,2567
18,18,2568
19,19,2569
20,20,2570
21,21,2571
22,22,2572
23,23,2573
24,24,2574
25,25,2575
26,26,2576
27,27,2577
28,28,2578
29,29,2579
30,30,2580
31,31,2581
32,32,2582
33,33,2583
34,34,2584
35,35,2585
36,36,2586
37,37,2587
38,38,2588
39,39,2589
40,40,2590
41,41,2591
42,42,2592
43,43,2593
44,44,2594
45,45,2595
46,46,2596
47,47,2597
48,48,2598
49,49,2599
50,50,2600
51,51,2601