pair,contact1,contact2,flow1,flow2 2yt4_A_,2,17,1,1 2yt4_A_,4,14,1,1 2yt4_A_,6,12,1,1 2yt4_A_,8,10,1,1 2yt4_A_,15,17,1,1 2yt4_A_,15,19,1,1 2yt4_A_,16,19,1,1 2yt4_A_,19,27,1,1 2yt4_A_,20,23,1,1 2yt4_A_,20,24,1,1 2yt4_A_,21,25,1,1 2yt4_A_,21,79,1,1 2yt4_A_,22,26,1,1 2yt4_A_,23,27,1,1 2yt4_A_,24,28,1,1 2yt4_A_,25,29,1,1 2yt4_A_,26,30,1,1 2yt4_A_,27,31,1,1 2yt4_A_,28,32,1,1 2yt4_A_,29,35,1,1 2yt4_A_,38,56,1,1 2yt4_A_,40,54,1,1 2yt4_A_,42,52,1,1 2yt4_A_,44,46,1,1 2yt4_A_,44,50,1,1 2yt4_A_,44,66,1,1 2yt4_A_,46,49,1,1 2yt4_A_,51,66,1,1 2yt4_A_,51,67,1,1 2yt4_A_,53,65,1,1 2yt4_A_,55,62,1,1 2yt4_A_,55,63,1,1 2yt4_A_,57,60,1,1 2yt4_A_,59,132,1,1 2yt4_A_,63,81,1,1 2yt4_A_,66,76,1,1 2yt4_A_,69,72,1,1 2yt4_A_,69,73,1,1 2yt4_A_,70,74,1,1 2yt4_A_,71,75,1,1 2yt4_A_,72,76,1,1 2yt4_A_,73,77,1,1 2yt4_A_,74,78,1,1 2yt4_A_,75,79,1,1 2yt4_A_,76,80,1,1 2yt4_A_,77,81,1,1 2yt4_A_,78,82,1,1 2yt4_A_,79,83,1,1 2yt4_A_,80,84,1,1 2yt4_A_,81,85,1,1 2yt4_A_,82,85,1,1 2yt4_A_,82,86,1,1 2yt4_A_,84,188,1,1 2yt4_A_,88,90,1,1 2yt4_A_,90,91,1,1 2yt4_A_,91,92,1,1 2yt4_A_,94,97,1,1 2yt4_A_,95,97,1,1 2yt4_A_,96,99,1,1 2yt4_A_,98,101,1,1 2yt4_A_,99,187,1,1 2yt4_A_,102,186,1,1 2yt4_A_,103,106,1,1 2yt4_A_,104,184,1,1 2yt4_A_,106,108,1,1 2yt4_A_,106,109,1,1 2yt4_A_,108,112,1,1 2yt4_A_,109,113,1,1 2yt4_A_,110,113,1,1 2yt4_A_,110,114,1,1 2yt4_A_,111,115,1,1 2yt4_A_,112,116,1,1 2yt4_A_,113,118,1,1 2yt4_A_,114,117,1,1 2yt4_A_,120,123,1,1 2yt4_A_,120,124,1,1 2yt4_A_,120,169,1,1 2yt4_A_,121,125,1,1 2yt4_A_,122,126,1,1 2yt4_A_,122,169,1,1 2yt4_A_,123,127,1,1 2yt4_A_,124,128,1,1 2yt4_A_,125,129,1,1 2yt4_A_,126,130,1,1 2yt4_A_,127,130,1,1 2yt4_A_,127,131,1,1 2yt4_A_,128,180,1,1 2yt4_A_,128,193,1,1 2yt4_A_,129,132,1,1 2yt4_A_,131,192,1,1 2yt4_A_,131,196,1,1 2yt4_A_,137,153,1,1 2yt4_A_,138,152,1,1 2yt4_A_,139,151,1,1 2yt4_A_,141,149,1,1 2yt4_A_,146,161,1,1 2yt4_A_,147,158,1,1 2yt4_A_,148,159,1,1 2yt4_A_,148,174,1,1 2yt4_A_,150,157,1,1 2yt4_A_,152,155,1,1 2yt4_A_,163,166,1,1 2yt4_A_,163,167,1,1 2yt4_A_,164,168,1,1 2yt4_A_,166,170,1,1 2yt4_A_,167,171,1,1 2yt4_A_,168,172,1,1 2yt4_A_,169,173,1,1 2yt4_A_,170,174,1,1 2yt4_A_,171,175,1,1 2yt4_A_,172,176,1,1 2yt4_A_,173,177,1,1 2yt4_A_,174,178,1,1 2yt4_A_,175,179,1,1 2yt4_A_,176,180,1,1 2yt4_A_,177,180,1,1 2yt4_A_,177,183,1,1 2yt4_A_,180,183,1,1 2yt4_A_,180,193,1,1 2yt4_A_,185,188,1,1 2yt4_A_,186,190,1,1 2yt4_A_,187,191,1,1 2yt4_A_,189,192,1,1 2yt4_A_,189,193,1,1 2yt4_A_,190,195,1,1