pair,contact1,contact2,flow1,flow2 2qcs_B_,10,11,1,1 2qcs_B_,15,18,1,1 2qcs_B_,15,19,1,1 2qcs_B_,16,20,1,1 2qcs_B_,17,21,1,1 2qcs_B_,18,21,1,1 2qcs_B_,18,142,1,1 2qcs_B_,19,22,1,1 2qcs_B_,23,25,1,1 2qcs_B_,24,60,1,1 2qcs_B_,27,29,1,1 2qcs_B_,27,60,1,1 2qcs_B_,29,59,1,1 2qcs_B_,29,62,1,1 2qcs_B_,30,33,1,1 2qcs_B_,30,34,1,1 2qcs_B_,31,35,1,1 2qcs_B_,32,36,1,1 2qcs_B_,33,37,1,1 2qcs_B_,34,38,1,1 2qcs_B_,35,39,1,1 2qcs_B_,36,40,1,1 2qcs_B_,37,41,1,1 2qcs_B_,39,42,1,1 2qcs_B_,41,44,1,1 2qcs_B_,44,47,1,1 2qcs_B_,44,48,1,1 2qcs_B_,44,111,1,1 2qcs_B_,46,111,1,1 2qcs_B_,46,140,1,1 2qcs_B_,47,50,1,1 2qcs_B_,47,55,1,1 2qcs_B_,51,54,1,1 2qcs_B_,51,55,1,1 2qcs_B_,51,151,1,1 2qcs_B_,52,55,1,1 2qcs_B_,52,56,1,1 2qcs_B_,53,57,1,1 2qcs_B_,54,58,1,1 2qcs_B_,54,147,1,1 2qcs_B_,54,151,1,1 2qcs_B_,55,59,1,1 2qcs_B_,56,60,1,1 2qcs_B_,57,61,1,1 2qcs_B_,58,62,1,1 2qcs_B_,59,62,1,1 2qcs_B_,63,134,1,1 2qcs_B_,65,132,1,1 2qcs_B_,67,130,1,1 2qcs_B_,68,71,1,1 2qcs_B_,69,129,1,1 2qcs_B_,70,126,1,1 2qcs_B_,71,126,1,1 2qcs_B_,73,124,1,1 2qcs_B_,74,124,1,1 2qcs_B_,75,78,1,1 2qcs_B_,76,96,1,1 2qcs_B_,76,123,1,1 2qcs_B_,77,120,1,1 2qcs_B_,78,120,1,1 2qcs_B_,80,118,1,1 2qcs_B_,80,137,1,1 2qcs_B_,81,137,1,1 2qcs_B_,82,120,1,1 2qcs_B_,83,135,1,1 2qcs_B_,84,109,1,1 2qcs_B_,85,133,1,1 2qcs_B_,86,106,1,1 2qcs_B_,86,107,1,1 2qcs_B_,87,131,1,1 2qcs_B_,88,131,1,1 2qcs_B_,90,127,1,1 2qcs_B_,90,128,1,1 2qcs_B_,91,103,1,1 2qcs_B_,92,99,1,1 2qcs_B_,92,125,1,1 2qcs_B_,93,100,1,1 2qcs_B_,93,101,1,1 2qcs_B_,94,123,1,1 2qcs_B_,95,98,1,1 2qcs_B_,101,102,1,1 2qcs_B_,104,107,1,1 2qcs_B_,110,113,1,1 2qcs_B_,110,120,1,1 2qcs_B_,111,114,1,1 2qcs_B_,112,115,1,1 2qcs_B_,112,116,1,1 2qcs_B_,113,137,1,1 2qcs_B_,128,129,1,1 2qcs_B_,136,139,1,1 2qcs_B_,136,140,1,1 2qcs_B_,137,141,1,1 2qcs_B_,138,142,1,1 2qcs_B_,139,143,1,1 2qcs_B_,140,144,1,1 2qcs_B_,141,145,1,1 2qcs_B_,142,146,1,1 2qcs_B_,143,147,1,1 2qcs_B_,144,148,1,1 2qcs_B_,145,149,1,1 2qcs_B_,146,150,1,1 2qcs_B_,147,151,1,1 2qcs_B_,148,152,1,1 2qcs_B_,149,153,1,1 2qcs_B_,150,154,1,1 2qcs_B_,151,155,1,1 2qcs_B_,152,156,1,1 2qcs_B_,152,178,1,1 2qcs_B_,153,157,1,1 2qcs_B_,154,158,1,1 2qcs_B_,155,159,1,1 2qcs_B_,156,160,1,1 2qcs_B_,157,160,1,1 2qcs_B_,158,161,1,1 2qcs_B_,159,162,1,1 2qcs_B_,162,165,1,1 2qcs_B_,163,166,1,1 2qcs_B_,163,232,1,1 2qcs_B_,163,281,1,1 2qcs_B_,164,235,1,1 2qcs_B_,165,168,1,1 2qcs_B_,167,277,1,1 2qcs_B_,169,172,1,1 2qcs_B_,169,173,1,1 2qcs_B_,170,174,1,1 2qcs_B_,171,175,1,1 2qcs_B_,172,176,1,1 2qcs_B_,172,277,1,1 2qcs_B_,173,177,1,1 2qcs_B_,174,178,1,1 2qcs_B_,175,179,1,1 2qcs_B_,176,180,1,1 2qcs_B_,179,263,1,1 2qcs_B_,181,258,1,1 2qcs_B_,183,256,1,1 2qcs_B_,185,254,1,1 2qcs_B_,186,189,1,1 2qcs_B_,187,252,1,1 2qcs_B_,188,250,1,1 2qcs_B_,189,250,1,1 2qcs_B_,191,248,1,1 2qcs_B_,192,248,1,1 2qcs_B_,193,196,1,1 2qcs_B_,194,214,1,1 2qcs_B_,194,247,1,1 2qcs_B_,195,244,1,1 2qcs_B_,196,244,1,1 2qcs_B_,199,261,1,1 2qcs_B_,200,258,1,1 2qcs_B_,201,259,1,1 2qcs_B_,202,233,1,1 2qcs_B_,203,257,1,1 2qcs_B_,204,230,1,1 2qcs_B_,204,231,1,1 2qcs_B_,205,255,1,1 2qcs_B_,206,255,1,1 2qcs_B_,208,251,1,1 2qcs_B_,209,227,1,1 2qcs_B_,210,249,1,1 2qcs_B_,211,224,1,1 2qcs_B_,211,225,1,1 2qcs_B_,212,247,1,1 2qcs_B_,213,222,1,1 2qcs_B_,213,245,1,1 2qcs_B_,223,226,1,1 2qcs_B_,228,231,1,1 2qcs_B_,229,230,1,1 2qcs_B_,234,237,1,1 2qcs_B_,235,238,1,1 2qcs_B_,236,239,1,1 2qcs_B_,236,240,1,1 2qcs_B_,241,242,1,1 2qcs_B_,260,263,1,1 2qcs_B_,260,264,1,1 2qcs_B_,261,265,1,1 2qcs_B_,262,266,1,1 2qcs_B_,264,268,1,1 2qcs_B_,265,269,1,1 2qcs_B_,271,275,1,1 2qcs_B_,272,276,1,1 2qcs_B_,274,277,1,1 2qcs_B_,275,278,1,1 2qcs_B_,278,281,1,1 2qcs_B_,278,282,1,1 2qcs_B_,279,283,1,1 2qcs_B_,280,284,1,1 2qcs_B_,281,284,1,1 2qcs_B_,282,285,1,1 2qcs_B_,282,286,1,1