pair,contact1,contact2,flow1,flow2 6bir_B_,1,3,1,1 6bir_B_,3,5,1,1 6bir_B_,7,32,1,1 6bir_B_,8,36,1,1 6bir_B_,9,30,1,1 6bir_B_,9,32,1,1 6bir_B_,11,28,1,1 6bir_B_,12,27,1,1 6bir_B_,13,15,1,1 6bir_B_,13,26,1,1 6bir_B_,13,28,1,1 6bir_B_,15,24,1,1 6bir_B_,17,22,1,1 6bir_B_,18,21,1,1 6bir_B_,24,40,1,1 6bir_B_,25,41,1,1 6bir_B_,27,39,1,1 6bir_B_,27,46,1,1 6bir_B_,27,70,1,1 6bir_B_,28,35,1,1 6bir_B_,29,36,1,1 6bir_B_,29,37,1,1 6bir_B_,31,34,1,1 6bir_B_,34,50,1,1 6bir_B_,35,38,1,1 6bir_B_,36,49,1,1 6bir_B_,36,50,1,1 6bir_B_,38,47,1,1 6bir_B_,40,42,1,1 6bir_B_,40,43,1,1 6bir_B_,40,44,1,1 6bir_B_,44,71,1,1 6bir_B_,45,47,1,1 6bir_B_,46,47,1,1 6bir_B_,46,61,1,1 6bir_B_,46,70,1,1 6bir_B_,50,53,1,1 6bir_B_,51,54,1,1 6bir_B_,53,57,1,1 6bir_B_,54,58,1,1 6bir_B_,55,59,1,1 6bir_B_,56,60,1,1 6bir_B_,57,61,1,1 6bir_B_,58,62,1,1 6bir_B_,59,62,1,1 6bir_B_,59,63,1,1 6bir_B_,60,63,1,1 6bir_B_,63,67,1,1 6bir_B_,64,68,1,1 6bir_B_,65,69,1,1 6bir_B_,66,70,1,1 6bir_B_,67,71,1,1 6bir_B_,68,71,1,1 6bir_B_,68,72,1,1 6bir_B_,69,72,1,1 6bir_B_,70,73,1,1 6bir_B_,72,75,1,1 6bir_B_,72,76,1,1 6bir_B_,73,77,1,1 6bir_B_,73,78,1,1 6bir_B_,74,79,1,1 6bir_B_,75,79,1,1 6bir_B_,77,81,1,1 6bir_B_,78,82,1,1 6bir_B_,79,83,1,1 6bir_B_,80,84,1,1 6bir_B_,81,85,1,1 6bir_B_,85,88,1,1 6bir_B_,85,89,1,1 6bir_B_,86,91,1,1 6bir_B_,89,92,1,1 6bir_B_,92,93,1,1 6bir_B_,92,149,1,1 6bir_B_,94,119,1,1 6bir_B_,97,116,1,1 6bir_B_,99,114,1,1 6bir_B_,101,112,1,1 6bir_B_,103,110,1,1 6bir_B_,105,109,1,1 6bir_B_,109,159,1,1 6bir_B_,111,157,1,1 6bir_B_,113,155,1,1 6bir_B_,114,116,1,1 6bir_B_,115,153,1,1 6bir_B_,116,152,1,1 6bir_B_,117,151,1,1 6bir_B_,118,151,1,1 6bir_B_,120,173,1,1 6bir_B_,124,172,1,1 6bir_B_,126,133,1,1 6bir_B_,126,170,1,1 6bir_B_,127,134,1,1 6bir_B_,127,155,1,1 6bir_B_,128,168,1,1 6bir_B_,129,132,1,1 6bir_B_,129,165,1,1 6bir_B_,130,132,1,1 6bir_B_,130,166,1,1 6bir_B_,134,136,1,1 6bir_B_,137,158,1,1 6bir_B_,139,156,1,1 6bir_B_,140,142,1,1 6bir_B_,140,154,1,1 6bir_B_,141,142,1,1 6bir_B_,141,154,1,1 6bir_B_,142,153,1,1 6bir_B_,144,152,1,1 6bir_B_,146,150,1,1 6bir_B_,146,152,1,1 6bir_B_,148,150,1,1 6bir_B_,159,167,1,1 6bir_B_,162,165,1,1 6bir_B_,165,167,1,1 6bir_B_,165,186,1,1 6bir_B_,167,184,1,1 6bir_B_,169,182,1,1 6bir_B_,171,180,1,1 6bir_B_,173,175,1,1 6bir_B_,173,176,1,1