pair,contact1,contact2,flow1,flow2 1blk_A_,13,110,1,1 1blk_A_,14,16,1,1 1blk_A_,14,40,1,1 1blk_A_,17,42,1,1 1blk_A_,20,23,1,1 1blk_A_,20,24,1,1 1blk_A_,21,25,1,1 1blk_A_,22,26,1,1 1blk_A_,23,26,1,1 1blk_A_,23,27,1,1 1blk_A_,24,28,1,1 1blk_A_,25,29,1,1 1blk_A_,27,30,1,1 1blk_A_,28,55,1,1 1blk_A_,30,33,1,1 1blk_A_,33,55,1,1 1blk_A_,33,111,1,1 1blk_A_,34,37,1,1 1blk_A_,39,53,1,1 1blk_A_,41,42,1,1 1blk_A_,41,51,1,1 1blk_A_,43,46,1,1 1blk_A_,43,49,1,1 1blk_A_,45,46,1,1 1blk_A_,46,49,1,1 1blk_A_,50,69,1,1 1blk_A_,52,67,1,1 1blk_A_,56,63,1,1 1blk_A_,70,78,1,1 1blk_A_,72,75,1,1 1blk_A_,72,76,1,1 1blk_A_,73,74,1,1 1blk_A_,77,85,1,1 1blk_A_,80,83,1,1 1blk_A_,87,89,1,1 1blk_A_,87,91,1,1 1blk_A_,88,91,1,1 1blk_A_,88,92,1,1 1blk_A_,89,93,1,1 1blk_A_,90,94,1,1 1blk_A_,91,95,1,1 1blk_A_,93,97,1,1 1blk_A_,94,97,1,1 1blk_A_,94,98,1,1 1blk_A_,95,106,1,1 1blk_A_,96,105,1,1 1blk_A_,112,113,1,1