pair,contact1,contact2,flow1,flow2 2dhb_B_,4,7,1,1 2dhb_B_,4,8,1,1 2dhb_B_,6,10,1,1 2dhb_B_,7,11,1,1 2dhb_B_,7,129,1,1 2dhb_B_,8,12,1,1 2dhb_B_,9,13,1,1 2dhb_B_,10,14,1,1 2dhb_B_,12,16,1,1 2dhb_B_,15,18,1,1 2dhb_B_,20,69,1,1 2dhb_B_,24,28,1,1 2dhb_B_,25,29,1,1 2dhb_B_,26,30,1,1 2dhb_B_,27,31,1,1 2dhb_B_,28,31,1,1 2dhb_B_,29,32,1,1 2dhb_B_,30,34,1,1 2dhb_B_,31,35,1,1 2dhb_B_,31,38,1,1 2dhb_B_,35,38,1,1 2dhb_B_,36,39,1,1 2dhb_B_,38,41,1,1 2dhb_B_,42,45,1,1 2dhb_B_,47,49,1,1 2dhb_B_,51,55,1,1 2dhb_B_,52,56,1,1 2dhb_B_,57,59,1,1 2dhb_B_,57,61,1,1 2dhb_B_,58,62,1,1 2dhb_B_,59,63,1,1 2dhb_B_,60,64,1,1 2dhb_B_,61,65,1,1 2dhb_B_,62,66,1,1 2dhb_B_,63,66,1,1 2dhb_B_,63,67,1,1 2dhb_B_,64,67,1,1 2dhb_B_,64,68,1,1 2dhb_B_,65,69,1,1 2dhb_B_,66,70,1,1 2dhb_B_,68,71,1,1 2dhb_B_,68,72,1,1 2dhb_B_,69,72,1,1 2dhb_B_,71,74,1,1 2dhb_B_,71,75,1,1 2dhb_B_,72,76,1,1 2dhb_B_,73,77,1,1 2dhb_B_,74,77,1,1 2dhb_B_,80,84,1,1 2dhb_B_,81,84,1,1 2dhb_B_,81,85,1,1 2dhb_B_,85,88,1,1 2dhb_B_,85,89,1,1 2dhb_B_,86,90,1,1 2dhb_B_,88,92,1,1 2dhb_B_,89,141,1,1 2dhb_B_,89,144,1,1 2dhb_B_,90,94,1,1 2dhb_B_,91,95,1,1 2dhb_B_,93,94,1,1 2dhb_B_,99,102,1,1 2dhb_B_,100,103,1,1 2dhb_B_,101,104,1,1 2dhb_B_,101,105,1,1 2dhb_B_,103,106,1,1 2dhb_B_,103,107,1,1 2dhb_B_,104,107,1,1 2dhb_B_,104,108,1,1 2dhb_B_,106,110,1,1 2dhb_B_,107,111,1,1 2dhb_B_,108,131,1,1 2dhb_B_,109,112,1,1 2dhb_B_,109,113,1,1 2dhb_B_,110,114,1,1 2dhb_B_,113,117,1,1 2dhb_B_,114,117,1,1 2dhb_B_,114,118,1,1 2dhb_B_,115,119,1,1 2dhb_B_,119,122,1,1 2dhb_B_,123,127,1,1 2dhb_B_,124,128,1,1 2dhb_B_,125,129,1,1 2dhb_B_,126,130,1,1 2dhb_B_,127,131,1,1 2dhb_B_,130,133,1,1 2dhb_B_,130,134,1,1 2dhb_B_,133,137,1,1 2dhb_B_,134,138,1,1 2dhb_B_,135,139,1,1 2dhb_B_,136,139,1,1 2dhb_B_,136,140,1,1 2dhb_B_,137,140,1,1 2dhb_B_,137,141,1,1 2dhb_B_,143,145,1,1 2dhb_B_,144,146,1,1