pair,contact1,contact2,flow1,flow2 2wbc_A_,2,71,1,1 2wbc_A_,4,12,1,1 2wbc_A_,4,69,1,1 2wbc_A_,5,130,1,1 2wbc_A_,6,8,1,1 2wbc_A_,6,9,1,1 2wbc_A_,6,10,1,1 2wbc_A_,7,172,1,1 2wbc_A_,13,16,1,1 2wbc_A_,13,18,1,1 2wbc_A_,13,174,1,1 2wbc_A_,14,62,1,1 2wbc_A_,14,64,1,1 2wbc_A_,14,66,1,1 2wbc_A_,14,67,1,1 2wbc_A_,15,60,1,1 2wbc_A_,16,60,1,1 2wbc_A_,17,175,1,1 2wbc_A_,18,58,1,1 2wbc_A_,19,173,1,1 2wbc_A_,21,171,1,1 2wbc_A_,24,27,1,1 2wbc_A_,25,28,1,1 2wbc_A_,29,48,1,1 2wbc_A_,30,48,1,1 2wbc_A_,30,53,1,1 2wbc_A_,31,56,1,1 2wbc_A_,32,46,1,1 2wbc_A_,34,44,1,1 2wbc_A_,36,39,1,1 2wbc_A_,39,43,1,1 2wbc_A_,43,104,1,1 2wbc_A_,45,160,1,1 2wbc_A_,47,158,1,1 2wbc_A_,47,169,1,1 2wbc_A_,50,53,1,1 2wbc_A_,53,55,1,1 2wbc_A_,57,80,1,1 2wbc_A_,59,78,1,1 2wbc_A_,61,76,1,1 2wbc_A_,62,64,1,1 2wbc_A_,63,74,1,1 2wbc_A_,70,73,1,1 2wbc_A_,73,74,1,1 2wbc_A_,75,117,1,1 2wbc_A_,77,91,1,1 2wbc_A_,79,89,1,1 2wbc_A_,83,86,1,1 2wbc_A_,87,105,1,1 2wbc_A_,92,103,1,1 2wbc_A_,92,113,1,1 2wbc_A_,94,101,1,1 2wbc_A_,96,99,1,1 2wbc_A_,100,162,1,1 2wbc_A_,102,160,1,1 2wbc_A_,110,113,1,1 2wbc_A_,111,114,1,1 2wbc_A_,111,115,1,1 2wbc_A_,116,135,1,1 2wbc_A_,118,133,1,1 2wbc_A_,120,131,1,1 2wbc_A_,120,147,1,1 2wbc_A_,122,129,1,1 2wbc_A_,125,127,1,1 2wbc_A_,130,170,1,1 2wbc_A_,132,148,1,1 2wbc_A_,134,146,1,1 2wbc_A_,136,143,1,1 2wbc_A_,136,145,1,1 2wbc_A_,137,141,1,1 2wbc_A_,138,140,1,1 2wbc_A_,147,163,1,1 2wbc_A_,148,168,1,1 2wbc_A_,149,161,1,1 2wbc_A_,151,159,1,1 2wbc_A_,153,156,1,1 2wbc_A_,153,157,1,1