pair,contact1,contact2,flow1,flow2 1qqp_1_,1,2,1,1 1qqp_1_,7,9,1,1 1qqp_1_,14,16,1,1 1qqp_1_,14,17,1,1 1qqp_1_,15,18,1,1 1qqp_1_,15,20,1,1 1qqp_1_,16,19,1,1 1qqp_1_,16,22,1,1 1qqp_1_,21,23,1,1 1qqp_1_,27,30,1,1 1qqp_1_,28,31,1,1 1qqp_1_,31,34,1,1 1qqp_1_,31,35,1,1 1qqp_1_,32,36,1,1 1qqp_1_,34,37,1,1 1qqp_1_,34,38,1,1 1qqp_1_,35,38,1,1 1qqp_1_,36,38,1,1 1qqp_1_,37,157,1,1 1qqp_1_,37,159,1,1 1qqp_1_,40,156,1,1 1qqp_1_,42,154,1,1 1qqp_1_,45,49,1,1 1qqp_1_,46,151,1,1 1qqp_1_,47,49,1,1 1qqp_1_,47,149,1,1 1qqp_1_,49,146,1,1 1qqp_1_,50,55,1,1 1qqp_1_,51,143,1,1 1qqp_1_,51,144,1,1 1qqp_1_,52,54,1,1 1qqp_1_,52,55,1,1 1qqp_1_,52,156,1,1 1qqp_1_,53,56,1,1 1qqp_1_,54,67,1,1 1qqp_1_,55,156,1,1 1qqp_1_,56,67,1,1 1qqp_1_,57,60,1,1 1qqp_1_,60,63,1,1 1qqp_1_,60,64,1,1 1qqp_1_,61,65,1,1 1qqp_1_,62,66,1,1 1qqp_1_,63,67,1,1 1qqp_1_,65,68,1,1 1qqp_1_,66,69,1,1 1qqp_1_,68,167,1,1 1qqp_1_,69,128,1,1 1qqp_1_,70,128,1,1 1qqp_1_,70,164,1,1 1qqp_1_,70,165,1,1 1qqp_1_,70,167,1,1 1qqp_1_,71,164,1,1 1qqp_1_,72,126,1,1 1qqp_1_,73,162,1,1 1qqp_1_,74,75,1,1 1qqp_1_,74,143,1,1 1qqp_1_,75,119,1,1 1qqp_1_,75,159,1,1 1qqp_1_,75,160,1,1 1qqp_1_,76,117,1,1 1qqp_1_,77,114,1,1 1qqp_1_,77,157,1,1 1qqp_1_,78,115,1,1 1qqp_1_,79,155,1,1 1qqp_1_,80,113,1,1 1qqp_1_,81,152,1,1 1qqp_1_,81,153,1,1 1qqp_1_,82,84,1,1 1qqp_1_,82,113,1,1 1qqp_1_,83,150,1,1 1qqp_1_,85,108,1,1 1qqp_1_,86,106,1,1 1qqp_1_,87,105,1,1 1qqp_1_,87,147,1,1 1qqp_1_,88,104,1,1 1qqp_1_,88,143,1,1 1qqp_1_,89,145,1,1 1qqp_1_,90,93,1,1 1qqp_1_,91,120,1,1 1qqp_1_,91,140,1,1 1qqp_1_,91,142,1,1 1qqp_1_,94,97,1,1 1qqp_1_,95,98,1,1 1qqp_1_,96,99,1,1 1qqp_1_,97,100,1,1 1qqp_1_,99,147,1,1 1qqp_1_,100,103,1,1 1qqp_1_,101,105,1,1 1qqp_1_,103,105,1,1 1qqp_1_,119,123,1,1 1qqp_1_,123,140,1,1 1qqp_1_,130,132,1,1 1qqp_1_,138,141,1,1 1qqp_1_,139,142,1,1 1qqp_1_,140,142,1,1 1qqp_1_,142,144,1,1 1qqp_1_,162,164,1,1