pair,contact1,contact2,flow1,flow2 2b3u_A_,4,50,1,1 2b3u_A_,6,7,1,1 2b3u_A_,6,12,1,1 2b3u_A_,6,48,1,1 2b3u_A_,6,50,1,1 2b3u_A_,8,46,1,1 2b3u_A_,9,12,1,1 2b3u_A_,10,13,1,1 2b3u_A_,12,16,1,1 2b3u_A_,13,17,1,1 2b3u_A_,14,18,1,1 2b3u_A_,15,18,1,1 2b3u_A_,15,19,1,1 2b3u_A_,16,20,1,1 2b3u_A_,17,21,1,1 2b3u_A_,18,22,1,1 2b3u_A_,18,63,1,1 2b3u_A_,19,23,1,1 2b3u_A_,20,24,1,1 2b3u_A_,29,32,1,1 2b3u_A_,29,33,1,1 2b3u_A_,30,34,1,1 2b3u_A_,31,35,1,1 2b3u_A_,32,36,1,1 2b3u_A_,33,37,1,1 2b3u_A_,33,44,1,1 2b3u_A_,34,38,1,1 2b3u_A_,36,43,1,1 2b3u_A_,45,68,1,1 2b3u_A_,46,67,1,1 2b3u_A_,47,67,1,1 2b3u_A_,49,64,1,1 2b3u_A_,49,65,1,1 2b3u_A_,51,62,1,1 2b3u_A_,52,55,1,1 2b3u_A_,53,56,1,1 2b3u_A_,55,90,1,1 2b3u_A_,57,60,1,1 2b3u_A_,57,61,1,1 2b3u_A_,66,86,1,1 2b3u_A_,69,81,1,1 2b3u_A_,69,83,1,1 2b3u_A_,71,79,1,1 2b3u_A_,73,75,1,1 2b3u_A_,73,76,1,1 2b3u_A_,73,77,1,1 2b3u_A_,76,112,1,1 2b3u_A_,78,109,1,1 2b3u_A_,78,112,1,1 2b3u_A_,80,113,1,1 2b3u_A_,82,114,1,1 2b3u_A_,88,91,1,1 2b3u_A_,94,98,1,1 2b3u_A_,95,99,1,1 2b3u_A_,96,100,1,1 2b3u_A_,97,101,1,1 2b3u_A_,98,102,1,1 2b3u_A_,99,103,1,1 2b3u_A_,100,104,1,1 2b3u_A_,101,105,1,1 2b3u_A_,102,106,1,1 2b3u_A_,103,107,1,1 2b3u_A_,106,109,1,1 2b3u_A_,107,111,1,1 2b3u_A_,118,121,1,1 2b3u_A_,120,122,1,1 2b3u_A_,121,125,1,1 2b3u_A_,122,126,1,1 2b3u_A_,123,127,1,1 2b3u_A_,124,128,1,1 2b3u_A_,125,129,1,1 2b3u_A_,126,130,1,1 2b3u_A_,127,131,1,1 2b3u_A_,128,131,1,1 2b3u_A_,128,133,1,1 2b3u_A_,129,132,1,1 2b3u_A_,135,138,1,1 2b3u_A_,135,139,1,1 2b3u_A_,136,140,1,1 2b3u_A_,137,142,1,1 2b3u_A_,140,142,1,1 2b3u_A_,146,148,1,1 2b3u_A_,148,151,1,1 2b3u_A_,148,152,1,1 2b3u_A_,149,153,1,1 2b3u_A_,150,154,1,1 2b3u_A_,153,156,1,1 2b3u_A_,154,156,1,1 2b3u_A_,154,157,1,1