pair,contact1,contact2,flow1,flow2 3sht_A_,1,29,1,1 3sht_A_,2,37,1,1 3sht_A_,3,29,1,1 3sht_A_,3,39,1,1 3sht_A_,4,37,1,1 3sht_A_,4,38,1,1 3sht_A_,4,39,1,1 3sht_A_,5,29,1,1 3sht_A_,5,31,1,1 3sht_A_,6,40,1,1 3sht_A_,6,42,1,1 3sht_A_,8,42,1,1 3sht_A_,8,44,1,1 3sht_A_,8,49,1,1 3sht_A_,11,15,1,1 3sht_A_,12,16,1,1 3sht_A_,13,17,1,1 3sht_A_,14,18,1,1 3sht_A_,15,19,1,1 3sht_A_,16,20,1,1 3sht_A_,17,21,1,1 3sht_A_,18,22,1,1 3sht_A_,19,23,1,1 3sht_A_,20,24,1,1 3sht_A_,21,25,1,1 3sht_A_,22,26,1,1 3sht_A_,23,26,1,1 3sht_A_,26,77,1,1 3sht_A_,32,51,1,1 3sht_A_,34,51,1,1 3sht_A_,35,37,1,1 3sht_A_,35,38,1,1 3sht_A_,38,60,1,1 3sht_A_,39,40,1,1 3sht_A_,39,61,1,1 3sht_A_,40,80,1,1 3sht_A_,41,61,1,1 3sht_A_,41,63,1,1 3sht_A_,43,63,1,1 3sht_A_,45,47,1,1 3sht_A_,47,49,1,1 3sht_A_,49,52,1,1 3sht_A_,49,53,1,1 3sht_A_,50,54,1,1 3sht_A_,51,55,1,1 3sht_A_,52,56,1,1 3sht_A_,53,57,1,1 3sht_A_,54,58,1,1 3sht_A_,55,60,1,1 3sht_A_,56,59,1,1 3sht_A_,58,99,1,1 3sht_A_,58,132,1,1 3sht_A_,62,85,1,1 3sht_A_,64,67,1,1 3sht_A_,64,83,1,1 3sht_A_,65,68,1,1 3sht_A_,65,69,1,1 3sht_A_,66,70,1,1 3sht_A_,67,71,1,1 3sht_A_,67,78,1,1 3sht_A_,68,72,1,1 3sht_A_,69,73,1,1 3sht_A_,70,74,1,1 3sht_A_,71,75,1,1 3sht_A_,71,76,1,1 3sht_A_,71,78,1,1 3sht_A_,72,75,1,1 3sht_A_,80,83,1,1 3sht_A_,81,84,1,1 3sht_A_,84,86,1,1 3sht_A_,84,96,1,1 3sht_A_,85,89,1,1 3sht_A_,89,92,1,1 3sht_A_,91,95,1,1 3sht_A_,92,96,1,1 3sht_A_,93,97,1,1 3sht_A_,94,98,1,1 3sht_A_,95,99,1,1 3sht_A_,95,178,1,1 3sht_A_,96,100,1,1 3sht_A_,97,101,1,1 3sht_A_,98,106,1,1 3sht_A_,98,178,1,1 3sht_A_,99,102,1,1 3sht_A_,102,104,1,1 3sht_A_,107,135,1,1 3sht_A_,108,136,1,1 3sht_A_,109,112,1,1 3sht_A_,111,114,1,1 3sht_A_,111,137,1,1 3sht_A_,117,140,1,1 3sht_A_,117,142,1,1 3sht_A_,118,150,1,1 3sht_A_,118,152,1,1 3sht_A_,120,122,1,1 3sht_A_,120,123,1,1 3sht_A_,120,152,1,1 3sht_A_,120,154,1,1 3sht_A_,123,125,1,1 3sht_A_,124,168,1,1 3sht_A_,126,130,1,1 3sht_A_,127,131,1,1 3sht_A_,128,132,1,1 3sht_A_,129,133,1,1 3sht_A_,130,134,1,1 3sht_A_,131,135,1,1 3sht_A_,132,136,1,1 3sht_A_,133,137,1,1 3sht_A_,134,139,1,1 3sht_A_,135,138,1,1 3sht_A_,142,144,1,1 3sht_A_,145,148,1,1 3sht_A_,149,164,1,1 3sht_A_,151,164,1,1 3sht_A_,151,166,1,1 3sht_A_,153,166,1,1 3sht_A_,160,163,1,1 3sht_A_,160,165,1,1 3sht_A_,165,188,1,1 3sht_A_,167,169,1,1 3sht_A_,167,170,1,1 3sht_A_,167,186,1,1 3sht_A_,168,172,1,1 3sht_A_,169,173,1,1 3sht_A_,170,174,1,1 3sht_A_,170,181,1,1 3sht_A_,171,175,1,1 3sht_A_,172,176,1,1 3sht_A_,173,176,1,1 3sht_A_,173,177,1,1 3sht_A_,173,186,1,1 3sht_A_,174,179,1,1 3sht_A_,174,181,1,1 3sht_A_,175,178,1,1 3sht_A_,181,186,1,1 3sht_A_,183,186,1,1