pair,contact1,contact2,flow1,flow2 1zrf_A_,1,2,1,1 1zrf_A_,2,4,1,1 1zrf_A_,2,5,1,1 1zrf_A_,2,6,1,1 1zrf_A_,3,7,1,1 1zrf_A_,4,8,1,1 1zrf_A_,5,9,1,1 1zrf_A_,6,10,1,1 1zrf_A_,7,10,1,1 1zrf_A_,7,11,1,1 1zrf_A_,8,11,1,1 1zrf_A_,8,12,1,1 1zrf_A_,9,12,1,1 1zrf_A_,10,11,1,1 1zrf_A_,13,90,1,1 1zrf_A_,15,88,1,1 1zrf_A_,16,87,1,1 1zrf_A_,17,86,1,1 1zrf_A_,18,21,1,1 1zrf_A_,19,83,1,1 1zrf_A_,20,82,1,1 1zrf_A_,21,82,1,1 1zrf_A_,23,80,1,1 1zrf_A_,24,80,1,1 1zrf_A_,25,28,1,1 1zrf_A_,26,77,1,1 1zrf_A_,27,76,1,1 1zrf_A_,28,76,1,1 1zrf_A_,29,75,1,1 1zrf_A_,30,74,1,1 1zrf_A_,31,93,1,1 1zrf_A_,32,76,1,1 1zrf_A_,32,90,1,1 1zrf_A_,33,91,1,1 1zrf_A_,34,64,1,1 1zrf_A_,35,89,1,1 1zrf_A_,36,61,1,1 1zrf_A_,36,62,1,1 1zrf_A_,37,87,1,1 1zrf_A_,38,87,1,1 1zrf_A_,40,83,1,1 1zrf_A_,40,84,1,1 1zrf_A_,40,86,1,1 1zrf_A_,41,58,1,1 1zrf_A_,42,81,1,1 1zrf_A_,43,55,1,1 1zrf_A_,43,56,1,1 1zrf_A_,44,79,1,1 1zrf_A_,45,53,1,1 1zrf_A_,46,52,1,1 1zrf_A_,47,50,1,1 1zrf_A_,47,51,1,1 1zrf_A_,52,81,1,1 1zrf_A_,54,168,1,1 1zrf_A_,56,57,1,1 1zrf_A_,57,165,1,1 1zrf_A_,59,62,1,1 1zrf_A_,61,113,1,1 1zrf_A_,63,113,1,1 1zrf_A_,63,117,1,1 1zrf_A_,65,76,1,1 1zrf_A_,65,93,1,1 1zrf_A_,66,69,1,1 1zrf_A_,84,85,1,1 1zrf_A_,84,86,1,1 1zrf_A_,92,95,1,1 1zrf_A_,92,96,1,1 1zrf_A_,93,97,1,1 1zrf_A_,95,98,1,1 1zrf_A_,95,99,1,1 1zrf_A_,96,100,1,1 1zrf_A_,97,101,1,1 1zrf_A_,98,102,1,1 1zrf_A_,99,103,1,1 1zrf_A_,103,105,1,1 1zrf_A_,103,106,1,1 1zrf_A_,104,107,1,1 1zrf_A_,104,108,1,1 1zrf_A_,105,109,1,1 1zrf_A_,106,110,1,1 1zrf_A_,107,111,1,1 1zrf_A_,108,112,1,1 1zrf_A_,109,113,1,1 1zrf_A_,110,114,1,1 1zrf_A_,111,115,1,1 1zrf_A_,112,116,1,1 1zrf_A_,113,117,1,1 1zrf_A_,114,118,1,1 1zrf_A_,115,119,1,1 1zrf_A_,116,119,1,1 1zrf_A_,116,120,1,1 1zrf_A_,117,121,1,1 1zrf_A_,118,122,1,1 1zrf_A_,119,123,1,1 1zrf_A_,120,124,1,1 1zrf_A_,121,125,1,1 1zrf_A_,122,126,1,1 1zrf_A_,123,127,1,1 1zrf_A_,124,128,1,1 1zrf_A_,125,129,1,1 1zrf_A_,126,130,1,1 1zrf_A_,127,131,1,1 1zrf_A_,127,139,1,1 1zrf_A_,131,136,1,1 1zrf_A_,132,135,1,1 1zrf_A_,132,136,1,1 1zrf_A_,133,137,1,1 1zrf_A_,134,138,1,1 1zrf_A_,135,139,1,1 1zrf_A_,136,140,1,1 1zrf_A_,136,170,1,1 1zrf_A_,136,171,1,1 1zrf_A_,137,141,1,1 1zrf_A_,138,142,1,1 1zrf_A_,139,143,1,1 1zrf_A_,140,144,1,1 1zrf_A_,141,145,1,1 1zrf_A_,143,146,1,1 1zrf_A_,144,147,1,1 1zrf_A_,146,202,1,1 1zrf_A_,147,150,1,1 1zrf_A_,151,158,1,1 1zrf_A_,153,155,1,1 1zrf_A_,153,156,1,1 1zrf_A_,153,203,1,1 1zrf_A_,156,203,1,1 1zrf_A_,157,199,1,1 1zrf_A_,159,197,1,1 1zrf_A_,161,195,1,1 1zrf_A_,162,165,1,1 1zrf_A_,162,166,1,1 1zrf_A_,163,167,1,1 1zrf_A_,163,194,1,1 1zrf_A_,164,168,1,1 1zrf_A_,165,169,1,1 1zrf_A_,166,169,1,1 1zrf_A_,166,170,1,1 1zrf_A_,167,171,1,1 1zrf_A_,167,172,1,1 1zrf_A_,172,173,1,1 1zrf_A_,173,176,1,1 1zrf_A_,173,177,1,1 1zrf_A_,174,178,1,1 1zrf_A_,175,179,1,1 1zrf_A_,176,180,1,1 1zrf_A_,177,181,1,1 1zrf_A_,178,182,1,1 1zrf_A_,179,183,1,1 1zrf_A_,180,184,1,1 1zrf_A_,181,185,1,1 1zrf_A_,182,186,1,1 1zrf_A_,183,187,1,1 1zrf_A_,184,189,1,1 1zrf_A_,185,188,1,1 1zrf_A_,185,192,1,1 1zrf_A_,189,200,1,1 1zrf_A_,191,198,1,1 1zrf_A_,193,196,1,1