pair,contact1,contact2,flow1,flow2 2pil_A_,2,6,1,1 2pil_A_,3,7,1,1 2pil_A_,4,7,1,1 2pil_A_,4,8,1,1 2pil_A_,5,9,1,1 2pil_A_,6,10,1,1 2pil_A_,7,11,1,1 2pil_A_,8,12,1,1 2pil_A_,9,13,1,1 2pil_A_,10,14,1,1 2pil_A_,11,15,1,1 2pil_A_,12,16,1,1 2pil_A_,13,17,1,1 2pil_A_,14,18,1,1 2pil_A_,15,19,1,1 2pil_A_,16,20,1,1 2pil_A_,19,22,1,1 2pil_A_,19,23,1,1 2pil_A_,20,24,1,1 2pil_A_,21,25,1,1 2pil_A_,22,26,1,1 2pil_A_,23,27,1,1 2pil_A_,24,27,1,1 2pil_A_,24,96,1,1 2pil_A_,25,29,1,1 2pil_A_,25,143,1,1 2pil_A_,26,30,1,1 2pil_A_,27,31,1,1 2pil_A_,28,32,1,1 2pil_A_,29,33,1,1 2pil_A_,30,33,1,1 2pil_A_,31,96,1,1 2pil_A_,32,36,1,1 2pil_A_,33,37,1,1 2pil_A_,34,38,1,1 2pil_A_,34,74,1,1 2pil_A_,34,75,1,1 2pil_A_,35,39,1,1 2pil_A_,36,40,1,1 2pil_A_,37,41,1,1 2pil_A_,38,42,1,1 2pil_A_,40,43,1,1 2pil_A_,42,46,1,1 2pil_A_,43,47,1,1 2pil_A_,44,48,1,1 2pil_A_,45,49,1,1 2pil_A_,46,50,1,1 2pil_A_,47,51,1,1 2pil_A_,47,117,1,1 2pil_A_,48,52,1,1 2pil_A_,50,53,1,1 2pil_A_,50,54,1,1 2pil_A_,50,110,1,1 2pil_A_,56,128,1,1 2pil_A_,57,84,1,1 2pil_A_,58,83,1,1 2pil_A_,59,62,1,1 2pil_A_,59,63,1,1 2pil_A_,60,65,1,1 2pil_A_,60,66,1,1 2pil_A_,60,81,1,1 2pil_A_,61,64,1,1 2pil_A_,67,70,1,1 2pil_A_,68,71,1,1 2pil_A_,73,76,1,1 2pil_A_,75,91,1,1 2pil_A_,77,89,1,1 2pil_A_,78,89,1,1 2pil_A_,80,82,1,1 2pil_A_,80,87,1,1 2pil_A_,82,85,1,1 2pil_A_,83,125,1,1 2pil_A_,86,106,1,1 2pil_A_,87,105,1,1 2pil_A_,88,104,1,1 2pil_A_,90,102,1,1 2pil_A_,91,101,1,1 2pil_A_,96,98,1,1 2pil_A_,96,99,1,1 2pil_A_,97,100,1,1 2pil_A_,98,102,1,1 2pil_A_,99,102,1,1 2pil_A_,103,136,1,1 2pil_A_,103,138,1,1 2pil_A_,103,140,1,1 2pil_A_,105,120,1,1 2pil_A_,105,123,1,1 2pil_A_,107,118,1,1 2pil_A_,108,125,1,1 2pil_A_,109,116,1,1 2pil_A_,110,112,1,1 2pil_A_,111,114,1,1 2pil_A_,116,156,1,1 2pil_A_,119,151,1,1 2pil_A_,121,135,1,1 2pil_A_,121,140,1,1 2pil_A_,122,134,1,1 2pil_A_,124,132,1,1 2pil_A_,125,127,1,1 2pil_A_,126,130,1,1 2pil_A_,127,129,1,1 2pil_A_,127,130,1,1 2pil_A_,133,135,1,1 2pil_A_,136,138,1,1 2pil_A_,136,139,1,1 2pil_A_,137,139,1,1 2pil_A_,141,144,1,1 2pil_A_,142,145,1,1 2pil_A_,145,150,1,1 2pil_A_,146,149,1,1 2pil_A_,152,155,1,1