pair,contact1,contact2,flow1,flow2 2xss_A_,3,7,1,1 2xss_A_,4,8,1,1 2xss_A_,5,9,1,1 2xss_A_,6,10,1,1 2xss_A_,7,11,1,1 2xss_A_,8,12,1,1 2xss_A_,9,13,1,1 2xss_A_,10,14,1,1 2xss_A_,11,15,1,1 2xss_A_,12,16,1,1 2xss_A_,13,17,1,1 2xss_A_,14,18,1,1 2xss_A_,15,19,1,1 2xss_A_,16,20,1,1 2xss_A_,17,21,1,1 2xss_A_,18,22,1,1 2xss_A_,19,23,1,1 2xss_A_,20,24,1,1 2xss_A_,21,25,1,1 2xss_A_,27,50,1,1 2xss_A_,29,48,1,1 2xss_A_,30,47,1,1 2xss_A_,31,46,1,1 2xss_A_,33,43,1,1 2xss_A_,33,44,1,1 2xss_A_,35,37,1,1 2xss_A_,35,38,1,1 2xss_A_,35,41,1,1 2xss_A_,38,41,1,1 2xss_A_,47,49,1,1 2xss_A_,52,54,1,1 2xss_A_,54,69,1,1 2xss_A_,60,64,1,1 2xss_A_,62,65,1,1 2xss_A_,63,66,1,1 2xss_A_,64,73,1,1 2xss_A_,66,69,1,1 2xss_A_,67,70,1,1 2xss_A_,69,73,1,1 2xss_A_,70,74,1,1 2xss_A_,71,75,1,1 2xss_A_,71,102,1,1 2xss_A_,72,76,1,1 2xss_A_,73,76,1,1 2xss_A_,73,77,1,1 2xss_A_,74,78,1,1 2xss_A_,75,79,1,1 2xss_A_,79,106,1,1 2xss_A_,80,106,1,1 2xss_A_,82,102,1,1 2xss_A_,83,100,1,1 2xss_A_,84,100,1,1 2xss_A_,86,88,1,1 2xss_A_,86,90,1,1 2xss_A_,87,98,1,1 2xss_A_,99,121,1,1 2xss_A_,99,122,1,1 2xss_A_,99,130,1,1 2xss_A_,101,119,1,1 2xss_A_,102,117,1,1 2xss_A_,103,117,1,1 2xss_A_,105,114,1,1 2xss_A_,105,115,1,1 2xss_A_,107,110,1,1 2xss_A_,107,111,1,1 2xss_A_,107,112,1,1 2xss_A_,122,130,1,1 2xss_A_,122,136,1,1 2xss_A_,124,127,1,1 2xss_A_,124,128,1,1 2xss_A_,133,136,1,1 2xss_A_,133,137,1,1 2xss_A_,134,138,1,1 2xss_A_,135,139,1,1 2xss_A_,136,140,1,1 2xss_A_,137,141,1,1 2xss_A_,138,142,1,1 2xss_A_,139,142,1,1 2xss_A_,139,143,1,1 2xss_A_,140,144,1,1 2xss_A_,143,147,1,1 2xss_A_,144,148,1,1 2xss_A_,145,149,1,1 2xss_A_,146,150,1,1 2xss_A_,147,151,1,1 2xss_A_,148,152,1,1 2xss_A_,149,153,1,1 2xss_A_,150,154,1,1 2xss_A_,151,155,1,1 2xss_A_,153,156,1,1