abaqus生成*Elset命令使用方法

当我划分颗粒后生成的inp文件中其中一个颗粒的*Elset为：

*Elset,elset=GRAIN3

 1, 2, 3, 4, 5, 6, 7, 8, 9,10 

11,12,13,14,15,16,17,18,19,20 

21,22,23,24,25,26,27,28,29,30 

31,32,33,34,35,36,37,38,39,40 

41,42,43,44,45,46,47,48,49,50 

51,52,53,54,55,56,57,58,59,60 

61,62,63,64,65,66,67,68,69,70 

71,72,73,74,75,76,77,78,79,80 

81,82,83,84,85,86,87,88,89,90 

91,92,93,94,95,96,97,98,99,100 

101,102,103,104,105,106,107,108,109,110 

111,112,113,114,115,116,117,118,119,120 

121,122,123,124,125,126,127,128,129,130 

131,132,133,134,135,136,137,138,139,141 

142,143,144,145,146,147,148,149,150,151 

152,153,154,155,156,157,158,161,162,163 

164,165,166,167,168,169,170,171,172,173 

174,175,176,177,181,182,183,184,185,186 

187,188,189,190,191,192,193,194,195,196 

201,202,203,204,205,206,207,208,209,210 

211,212,213,214,215,221,222,223,224,225 

226,227,228,229,230,231,232,233,234,235 

241,242,243,244,245,246,247,248,249,250 

251,252,253,254,261,262,263,264,265,266 

267,268,269,270,271,272,273,281,282,283 

284,285,286,287,288,289,290,291,292,301 

302,303,304,305,306,307,308,309,310,311 

321,322,323,324,325,326,327,328,329,330 

341,342,343,344,345,346,347,348,349,350 

361,362,363,364,365,366,367,368,369,381 

382,383,384,385,386,387,388,401,402,403 

404,405,406,407,408,409,410,411,412,413 

414,415,416,417,418,419,420,421,422,423 

424,425,426,427,428,429,430,431,432,433 

434,435,436,437,438,439,440,441,442,443 

444,445,446,447,448,449,450,451,452,453 

454,455,456,457,458,459,460,461,462,463 

464,465,466,467,468,469,470,471,472,473 

我想要他生成

*Elset, elset=GRAIN1, generate

    1,  8142,     1

这种格式的怎么生成啊，怎么得到从哪个单元编号到哪个单元编号是这个颗粒的呢