pair,contact1,contact2,flow1,flow2 3fn1_B_,6,9,1,1 3fn1_B_,6,10,1,1 3fn1_B_,7,11,1,1 3fn1_B_,8,12,1,1 3fn1_B_,8,62,1,1 3fn1_B_,9,13,1,1 3fn1_B_,11,15,1,1 3fn1_B_,12,16,1,1 3fn1_B_,13,17,1,1 3fn1_B_,14,18,1,1 3fn1_B_,15,66,1,1 3fn1_B_,15,111,1,1 3fn1_B_,16,19,1,1 3fn1_B_,19,22,1,1 3fn1_B_,22,116,1,1 3fn1_B_,24,27,1,1 3fn1_B_,26,45,1,1 3fn1_B_,28,43,1,1 3fn1_B_,30,41,1,1 3fn1_B_,33,35,1,1 3fn1_B_,35,37,1,1 3fn1_B_,38,62,1,1 3fn1_B_,40,60,1,1 3fn1_B_,41,59,1,1 3fn1_B_,42,58,1,1 3fn1_B_,44,56,1,1 3fn1_B_,46,53,1,1 3fn1_B_,49,52,1,1 3fn1_B_,50,140,1,1 3fn1_B_,50,144,1,1 3fn1_B_,51,54,1,1 3fn1_B_,51,80,1,1 3fn1_B_,53,160,1,1 3fn1_B_,55,159,1,1 3fn1_B_,57,75,1,1 3fn1_B_,57,76,1,1 3fn1_B_,57,77,1,1 3fn1_B_,59,74,1,1 3fn1_B_,61,72,1,1 3fn1_B_,65,69,1,1 3fn1_B_,67,69,1,1 3fn1_B_,67,105,1,1 3fn1_B_,67,107,1,1 3fn1_B_,75,77,1,1 3fn1_B_,75,88,1,1 3fn1_B_,80,139,1,1 3fn1_B_,81,133,1,1 3fn1_B_,82,132,1,1 3fn1_B_,82,133,1,1 3fn1_B_,83,91,1,1 3fn1_B_,83,127,1,1 3fn1_B_,85,88,1,1 3fn1_B_,85,89,1,1 3fn1_B_,86,154,1,1 3fn1_B_,89,90,1,1 3fn1_B_,92,95,1,1 3fn1_B_,93,96,1,1 3fn1_B_,96,105,1,1 3fn1_B_,101,103,1,1 3fn1_B_,101,104,1,1 3fn1_B_,104,109,1,1 3fn1_B_,106,109,1,1 3fn1_B_,110,113,1,1 3fn1_B_,110,114,1,1 3fn1_B_,111,115,1,1 3fn1_B_,112,116,1,1 3fn1_B_,113,117,1,1 3fn1_B_,114,118,1,1 3fn1_B_,115,119,1,1 3fn1_B_,116,120,1,1 3fn1_B_,118,121,1,1 3fn1_B_,119,122,1,1 3fn1_B_,120,123,1,1 3fn1_B_,120,124,1,1 3fn1_B_,120,125,1,1 3fn1_B_,123,124,1,1 3fn1_B_,123,126,1,1 3fn1_B_,133,136,1,1 3fn1_B_,133,137,1,1 3fn1_B_,134,138,1,1 3fn1_B_,135,139,1,1 3fn1_B_,136,140,1,1 3fn1_B_,137,141,1,1 3fn1_B_,138,142,1,1 3fn1_B_,139,143,1,1 3fn1_B_,139,146,1,1 3fn1_B_,140,144,1,1 3fn1_B_,143,146,1,1 3fn1_B_,143,147,1,1 3fn1_B_,144,148,1,1 3fn1_B_,145,149,1,1 3fn1_B_,146,150,1,1 3fn1_B_,147,151,1,1 3fn1_B_,148,152,1,1 3fn1_B_,149,153,1,1 3fn1_B_,150,154,1,1 3fn1_B_,151,155,1,1 3fn1_B_,152,156,1,1 3fn1_B_,153,157,1,1 3fn1_B_,154,157,1,1 3fn1_B_,154,158,1,1 3fn1_B_,155,159,1,1