pair,contact1,contact2,flow1,flow2 2hwd_1_,1,5,1,1 2hwd_1_,2,5,1,1 2hwd_1_,3,6,1,1 2hwd_1_,3,7,1,1 2hwd_1_,4,9,1,1 2hwd_1_,10,59,1,1 2hwd_1_,11,58,1,1 2hwd_1_,11,59,1,1 2hwd_1_,13,15,1,1 2hwd_1_,13,54,1,1 2hwd_1_,13,56,1,1 2hwd_1_,14,54,1,1 2hwd_1_,15,54,1,1 2hwd_1_,16,52,1,1 2hwd_1_,17,44,1,1 2hwd_1_,17,49,1,1 2hwd_1_,19,47,1,1 2hwd_1_,19,49,1,1 2hwd_1_,27,30,1,1 2hwd_1_,32,35,1,1 2hwd_1_,33,36,1,1 2hwd_1_,35,37,1,1 2hwd_1_,42,45,1,1 2hwd_1_,42,46,1,1 2hwd_1_,43,47,1,1 2hwd_1_,58,61,1,1 2hwd_1_,59,62,1,1 2hwd_1_,59,65,1,1 2hwd_1_,62,65,1,1 2hwd_1_,62,66,1,1 2hwd_1_,63,67,1,1 2hwd_1_,64,241,1,1 2hwd_1_,64,242,1,1 2hwd_1_,65,69,1,1 2hwd_1_,71,237,1,1 2hwd_1_,72,74,1,1 2hwd_1_,72,234,1,1 2hwd_1_,73,235,1,1 2hwd_1_,74,235,1,1 2hwd_1_,76,233,1,1 2hwd_1_,78,231,1,1 2hwd_1_,80,229,1,1 2hwd_1_,81,83,1,1 2hwd_1_,81,84,1,1 2hwd_1_,85,154,1,1 2hwd_1_,85,223,1,1 2hwd_1_,86,155,1,1 2hwd_1_,89,94,1,1 2hwd_1_,89,152,1,1 2hwd_1_,93,218,1,1 2hwd_1_,95,101,1,1 2hwd_1_,95,216,1,1 2hwd_1_,96,98,1,1 2hwd_1_,97,98,1,1 2hwd_1_,102,106,1,1 2hwd_1_,103,106,1,1 2hwd_1_,105,109,1,1 2hwd_1_,106,110,1,1 2hwd_1_,106,257,1,1 2hwd_1_,106,260,1,1 2hwd_1_,109,112,1,1 2hwd_1_,110,255,1,1 2hwd_1_,111,248,1,1 2hwd_1_,113,246,1,1 2hwd_1_,113,248,1,1 2hwd_1_,114,245,1,1 2hwd_1_,115,189,1,1 2hwd_1_,116,187,1,1 2hwd_1_,116,243,1,1 2hwd_1_,118,240,1,1 2hwd_1_,118,241,1,1 2hwd_1_,119,180,1,1 2hwd_1_,120,122,1,1 2hwd_1_,120,238,1,1 2hwd_1_,121,178,1,1 2hwd_1_,122,236,1,1 2hwd_1_,123,176,1,1 2hwd_1_,124,126,1,1 2hwd_1_,124,234,1,1 2hwd_1_,126,232,1,1 2hwd_1_,128,230,1,1 2hwd_1_,134,225,1,1 2hwd_1_,139,169,1,1 2hwd_1_,140,159,1,1 2hwd_1_,140,219,1,1 2hwd_1_,141,167,1,1 2hwd_1_,141,233,1,1 2hwd_1_,142,217,1,1 2hwd_1_,143,164,1,1 2hwd_1_,143,165,1,1 2hwd_1_,144,215,1,1 2hwd_1_,152,156,1,1 2hwd_1_,153,155,1,1 2hwd_1_,153,156,1,1 2hwd_1_,154,221,1,1 2hwd_1_,157,160,1,1 2hwd_1_,161,164,1,1 2hwd_1_,161,166,1,1 2hwd_1_,183,189,1,1 2hwd_1_,184,186,1,1 2hwd_1_,190,207,1,1 2hwd_1_,194,205,1,1 2hwd_1_,197,204,1,1 2hwd_1_,200,203,1,1 2hwd_1_,208,211,1,1 2hwd_1_,220,222,1,1 2hwd_1_,251,253,1,1 2hwd_1_,251,261,1,1 2hwd_1_,251,262,1,1 2hwd_1_,256,262,1,1 2hwd_1_,266,268,1,1 2hwd_1_,269,270,1,1 2hwd_1_,272,274,1,1 2hwd_1_,277,280,1,1