pair,contact1,contact2,flow1,flow2 3dsn_B_,15,51,1,1 3dsn_B_,20,48,1,1 3dsn_B_,22,46,1,1 3dsn_B_,24,44,1,1 3dsn_B_,26,42,1,1 3dsn_B_,32,35,1,1 3dsn_B_,33,35,1,1 3dsn_B_,34,132,1,1 3dsn_B_,37,124,1,1 3dsn_B_,38,124,1,1 3dsn_B_,38,125,1,1 3dsn_B_,39,86,1,1 3dsn_B_,39,123,1,1 3dsn_B_,39,124,1,1 3dsn_B_,40,124,1,1 3dsn_B_,42,122,1,1 3dsn_B_,43,122,1,1 3dsn_B_,45,120,1,1 3dsn_B_,46,119,1,1 3dsn_B_,47,118,1,1 3dsn_B_,50,114,1,1 3dsn_B_,51,54,1,1 3dsn_B_,54,113,1,1 3dsn_B_,55,58,1,1 3dsn_B_,56,59,1,1 3dsn_B_,56,110,1,1 3dsn_B_,56,111,1,1 3dsn_B_,57,110,1,1 3dsn_B_,58,144,1,1 3dsn_B_,59,100,1,1 3dsn_B_,60,103,1,1 3dsn_B_,60,142,1,1 3dsn_B_,61,100,1,1 3dsn_B_,61,102,1,1 3dsn_B_,62,140,1,1 3dsn_B_,63,66,1,1 3dsn_B_,63,72,1,1 3dsn_B_,63,102,1,1 3dsn_B_,67,70,1,1 3dsn_B_,67,102,1,1 3dsn_B_,69,101,1,1 3dsn_B_,70,102,1,1 3dsn_B_,71,85,1,1 3dsn_B_,73,83,1,1 3dsn_B_,74,82,1,1 3dsn_B_,74,136,1,1 3dsn_B_,75,77,1,1 3dsn_B_,75,81,1,1 3dsn_B_,76,134,1,1 3dsn_B_,77,79,1,1 3dsn_B_,84,125,1,1 3dsn_B_,84,126,1,1 3dsn_B_,86,123,1,1 3dsn_B_,88,121,1,1 3dsn_B_,89,97,1,1 3dsn_B_,90,94,1,1 3dsn_B_,90,96,1,1 3dsn_B_,90,118,1,1 3dsn_B_,91,93,1,1 3dsn_B_,91,94,1,1 3dsn_B_,91,95,1,1 3dsn_B_,98,99,1,1 3dsn_B_,98,107,1,1 3dsn_B_,101,104,1,1 3dsn_B_,114,118,1,1 3dsn_B_,115,117,1,1 3dsn_B_,118,119,1,1 3dsn_B_,137,138,1,1