pair,contact1,contact2,flow1,flow2 8yaa_C_,1,4,1,1 8yaa_C_,1,29,1,1 8yaa_C_,2,6,1,1 8yaa_C_,3,7,1,1 8yaa_C_,4,8,1,1 8yaa_C_,5,9,1,1 8yaa_C_,6,10,1,1 8yaa_C_,7,11,1,1 8yaa_C_,8,12,1,1 8yaa_C_,10,13,1,1 8yaa_C_,11,14,1,1 8yaa_C_,11,24,1,1 8yaa_C_,13,58,1,1 8yaa_C_,15,56,1,1 8yaa_C_,18,54,1,1 8yaa_C_,24,35,1,1 8yaa_C_,30,32,1,1 8yaa_C_,31,39,1,1 8yaa_C_,38,46,1,1 8yaa_C_,38,47,1,1 8yaa_C_,40,41,1,1 8yaa_C_,40,43,1,1 8yaa_C_,40,44,1,1 8yaa_C_,46,70,1,1 8yaa_C_,46,71,1,1 8yaa_C_,47,49,1,1 8yaa_C_,48,71,1,1 8yaa_C_,48,73,1,1 8yaa_C_,50,73,1,1 8yaa_C_,52,75,1,1 8yaa_C_,53,77,1,1 8yaa_C_,54,77,1,1 8yaa_C_,55,78,1,1 8yaa_C_,56,78,1,1 8yaa_C_,57,80,1,1 8yaa_C_,61,64,1,1 8yaa_C_,62,65,1,1 8yaa_C_,66,69,1,1 8yaa_C_,70,94,1,1 8yaa_C_,72,97,1,1 8yaa_C_,74,77,1,1 8yaa_C_,74,97,1,1 8yaa_C_,74,101,1,1 8yaa_C_,76,99,1,1 8yaa_C_,79,101,1,1 8yaa_C_,79,102,1,1 8yaa_C_,81,104,1,1 8yaa_C_,82,104,1,1 8yaa_C_,85,88,1,1 8yaa_C_,85,110,1,1 8yaa_C_,86,89,1,1 8yaa_C_,89,113,1,1 8yaa_C_,92,116,1,1 8yaa_C_,94,118,1,1 8yaa_C_,94,119,1,1 8yaa_C_,96,119,1,1 8yaa_C_,96,121,1,1 8yaa_C_,97,121,1,1 8yaa_C_,98,101,1,1 8yaa_C_,98,121,1,1 8yaa_C_,100,123,1,1 8yaa_C_,103,125,1,1 8yaa_C_,103,126,1,1 8yaa_C_,105,128,1,1 8yaa_C_,109,112,1,1 8yaa_C_,109,134,1,1 8yaa_C_,110,113,1,1 8yaa_C_,112,115,1,1 8yaa_C_,115,140,1,1 8yaa_C_,117,141,1,1 8yaa_C_,118,143,1,1 8yaa_C_,120,143,1,1 8yaa_C_,120,145,1,1 8yaa_C_,122,125,1,1 8yaa_C_,122,145,1,1 8yaa_C_,123,145,1,1 8yaa_C_,128,150,1,1 8yaa_C_,133,136,1,1 8yaa_C_,134,137,1,1 8yaa_C_,135,138,1,1 8yaa_C_,144,168,1,1 8yaa_C_,145,168,1,1 8yaa_C_,146,169,1,1 8yaa_C_,151,172,1,1 8yaa_C_,152,173,1,1 8yaa_C_,159,162,1,1 8yaa_C_,160,162,1,1 8yaa_C_,165,168,1,1 8yaa_C_,169,172,1,1 8yaa_C_,174,175,1,1