pair,contact1,contact2,flow1,flow2 2cs2_A_,15,85,1,1 2cs2_A_,17,47,1,1 2cs2_A_,18,87,1,1 2cs2_A_,19,45,1,1 2cs2_A_,20,87,1,1 2cs2_A_,21,43,1,1 2cs2_A_,22,93,1,1 2cs2_A_,23,40,1,1 2cs2_A_,23,41,1,1 2cs2_A_,28,37,1,1 2cs2_A_,30,35,1,1 2cs2_A_,30,62,1,1 2cs2_A_,33,64,1,1 2cs2_A_,38,41,1,1 2cs2_A_,44,63,1,1 2cs2_A_,48,59,1,1 2cs2_A_,50,53,1,1 2cs2_A_,64,67,1,1 2cs2_A_,64,68,1,1 2cs2_A_,66,70,1,1 2cs2_A_,67,71,1,1 2cs2_A_,69,72,1,1 2cs2_A_,71,75,1,1 2cs2_A_,72,77,1,1 2cs2_A_,78,81,1,1 2cs2_A_,82,85,1,1 2cs2_A_,83,86,1,1 2cs2_A_,86,89,1,1 2cs2_A_,88,92,1,1 2cs2_A_,92,97,1,1 2cs2_A_,93,97,1,1 2cs2_A_,94,98,1,1 2cs2_A_,95,99,1,1 2cs2_A_,96,100,1,1 2cs2_A_,97,100,1,1 2cs2_A_,97,101,1,1 2cs2_A_,98,102,1,1 2cs2_A_,100,103,1,1 2cs2_A_,100,104,1,1 2cs2_A_,107,108,1,1 2cs2_A_,123,126,1,1