一个LINGO MODEL:SETS:CITY/1..14/:JL;STEP/1..11/;LINE( STEP,CITY):X;LINKS(CITY,CITY):C;ENDSETSDATA:JL=0,14,16,17,21,23,26,27,31,32,35,36,38,39C= 0 0 0 0 1797 0 1392 0 0 0 0 0 0 00 0 2608 2196 3297 0 0 0 0 0 0 0 0 00 2608 0 0 0 2098 0 0 0 0 0 0 0 00
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