sets:legs/1..4/:t;modes/1,2,3/;link1(modes,legs):ctrans,use;link3(modes,modes,legs):y;link2(modes,modes):cchg;endsetsdata:ctrans=30 25 40 6025 40 45 5040 20 50 45;cchg=0 5 12 8 0 1015 10 0;enddata@for(legs(i):@sum(modes(j):use(i,j))=1);@for(legs(i):@

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