pair,contact1,contact2,flow1,flow2 2bcx_A_,2,5,1,1 2bcx_A_,2,6,1,1 2bcx_A_,3,7,1,1 2bcx_A_,4,8,1,1 2bcx_A_,5,9,1,1 2bcx_A_,6,10,1,1 2bcx_A_,7,11,1,1 2bcx_A_,8,12,1,1 2bcx_A_,9,13,1,1 2bcx_A_,10,14,1,1 2bcx_A_,11,14,1,1 2bcx_A_,12,15,1,1 2bcx_A_,13,16,1,1 2bcx_A_,13,17,1,1 2bcx_A_,17,20,1,1 2bcx_A_,17,22,1,1 2bcx_A_,19,21,1,1 2bcx_A_,19,28,1,1 2bcx_A_,21,23,1,1 2bcx_A_,24,60,1,1 2bcx_A_,25,28,1,1 2bcx_A_,25,29,1,1 2bcx_A_,26,30,1,1 2bcx_A_,27,31,1,1 2bcx_A_,28,32,1,1 2bcx_A_,29,33,1,1 2bcx_A_,30,34,1,1 2bcx_A_,31,35,1,1 2bcx_A_,32,35,1,1 2bcx_A_,32,36,1,1 2bcx_A_,33,36,1,1 2bcx_A_,33,38,1,1 2bcx_A_,34,37,1,1 2bcx_A_,41,44,1,1 2bcx_A_,41,45,1,1 2bcx_A_,42,46,1,1 2bcx_A_,43,47,1,1 2bcx_A_,44,48,1,1 2bcx_A_,45,49,1,1 2bcx_A_,46,50,1,1 2bcx_A_,47,51,1,1 2bcx_A_,49,52,1,1 2bcx_A_,49,53,1,1 2bcx_A_,50,53,1,1 2bcx_A_,52,54,1,1 2bcx_A_,53,56,1,1 2bcx_A_,53,58,1,1 2bcx_A_,55,57,1,1 2bcx_A_,55,64,1,1 2bcx_A_,57,59,1,1 2bcx_A_,61,64,1,1 2bcx_A_,61,65,1,1 2bcx_A_,62,66,1,1 2bcx_A_,63,67,1,1 2bcx_A_,64,68,1,1 2bcx_A_,65,69,1,1 2bcx_A_,66,70,1,1 2bcx_A_,67,71,1,1 2bcx_A_,68,72,1,1 2bcx_A_,69,73,1,1 2bcx_A_,70,74,1,1 2bcx_A_,72,78,1,1 2bcx_A_,72,84,1,1 2bcx_A_,73,75,1,1 2bcx_A_,75,77,1,1 2bcx_A_,75,78,1,1 2bcx_A_,80,84,1,1 2bcx_A_,81,85,1,1 2bcx_A_,82,86,1,1 2bcx_A_,83,87,1,1 2bcx_A_,84,88,1,1 2bcx_A_,85,88,1,1 2bcx_A_,85,89,1,1 2bcx_A_,86,90,1,1 2bcx_A_,88,91,1,1 2bcx_A_,89,91,1,1 2bcx_A_,90,93,1,1 2bcx_A_,90,95,1,1 2bcx_A_,92,94,1,1 2bcx_A_,92,101,1,1 2bcx_A_,94,96,1,1 2bcx_A_,97,133,1,1 2bcx_A_,98,101,1,1 2bcx_A_,98,102,1,1 2bcx_A_,99,103,1,1 2bcx_A_,100,104,1,1 2bcx_A_,101,105,1,1 2bcx_A_,102,106,1,1 2bcx_A_,103,107,1,1 2bcx_A_,104,108,1,1 2bcx_A_,105,109,1,1 2bcx_A_,106,111,1,1 2bcx_A_,107,110,1,1 2bcx_A_,114,117,1,1 2bcx_A_,114,118,1,1 2bcx_A_,115,119,1,1 2bcx_A_,116,120,1,1 2bcx_A_,117,121,1,1 2bcx_A_,118,122,1,1 2bcx_A_,119,123,1,1 2bcx_A_,120,124,1,1 2bcx_A_,121,125,1,1 2bcx_A_,122,125,1,1 2bcx_A_,122,126,1,1 2bcx_A_,123,126,1,1 2bcx_A_,126,130,1,1 2bcx_A_,126,131,1,1 2bcx_A_,128,130,1,1 2bcx_A_,128,137,1,1 2bcx_A_,130,132,1,1 2bcx_A_,134,137,1,1 2bcx_A_,134,138,1,1 2bcx_A_,135,139,1,1 2bcx_A_,136,140,1,1 2bcx_A_,137,141,1,1 2bcx_A_,138,142,1,1