pair,contact1,contact2,flow1,flow2
3dht_B_,4,7,1,1
3dht_B_,5,8,1,1
3dht_B_,5,9,1,1
3dht_B_,8,12,1,1
3dht_B_,9,13,1,1
3dht_B_,10,14,1,1
3dht_B_,11,15,1,1
3dht_B_,13,16,1,1
3dht_B_,14,17,1,1
3dht_B_,15,72,1,1
3dht_B_,17,121,1,1
3dht_B_,19,21,1,1
3dht_B_,19,22,1,1
3dht_B_,19,23,1,1
3dht_B_,20,24,1,1
3dht_B_,21,25,1,1
3dht_B_,22,26,1,1
3dht_B_,23,27,1,1
3dht_B_,24,28,1,1
3dht_B_,25,29,1,1
3dht_B_,26,30,1,1
3dht_B_,26,117,1,1
3dht_B_,27,31,1,1
3dht_B_,28,32,1,1
3dht_B_,30,34,1,1
3dht_B_,31,35,1,1
3dht_B_,32,39,1,1
3dht_B_,35,38,1,1
3dht_B_,36,39,1,1
3dht_B_,39,42,1,1
3dht_B_,42,45,1,1
3dht_B_,44,59,1,1
3dht_B_,45,57,1,1
3dht_B_,47,49,1,1
3dht_B_,50,53,1,1
3dht_B_,50,54,1,1
3dht_B_,52,55,1,1
3dht_B_,52,56,1,1
3dht_B_,57,59,1,1
3dht_B_,57,60,1,1
3dht_B_,57,61,1,1
3dht_B_,58,62,1,1
3dht_B_,59,63,1,1
3dht_B_,60,64,1,1
3dht_B_,62,65,1,1
3dht_B_,63,67,1,1
3dht_B_,65,69,1,1
3dht_B_,67,71,1,1
3dht_B_,68,72,1,1
3dht_B_,69,73,1,1
3dht_B_,70,74,1,1
3dht_B_,71,75,1,1
3dht_B_,72,76,1,1
3dht_B_,73,77,1,1
3dht_B_,74,77,1,1
3dht_B_,77,80,1,1
3dht_B_,80,84,1,1
3dht_B_,81,85,1,1
3dht_B_,82,143,1,1
3dht_B_,83,86,1,1
3dht_B_,85,89,1,1
3dht_B_,86,90,1,1
3dht_B_,87,91,1,1
3dht_B_,88,92,1,1
3dht_B_,89,141,1,1
3dht_B_,90,93,1,1
3dht_B_,90,94,1,1
3dht_B_,91,95,1,1
3dht_B_,92,98,1,1
3dht_B_,92,145,1,1
3dht_B_,93,94,1,1
3dht_B_,93,144,1,1
3dht_B_,98,145,1,1
3dht_B_,99,101,1,1
3dht_B_,99,102,1,1
3dht_B_,100,103,1,1
3dht_B_,101,104,1,1
3dht_B_,101,105,1,1
3dht_B_,102,106,1,1
3dht_B_,103,107,1,1
3dht_B_,104,108,1,1
3dht_B_,105,109,1,1
3dht_B_,106,109,1,1
3dht_B_,106,110,1,1
3dht_B_,107,111,1,1
3dht_B_,108,112,1,1
3dht_B_,109,113,1,1
3dht_B_,110,114,1,1
3dht_B_,112,116,1,1
3dht_B_,113,117,1,1
3dht_B_,114,118,1,1
3dht_B_,115,119,1,1
3dht_B_,118,121,1,1
3dht_B_,119,122,1,1
3dht_B_,123,126,1,1
3dht_B_,123,127,1,1
3dht_B_,124,128,1,1
3dht_B_,125,129,1,1
3dht_B_,126,130,1,1
3dht_B_,127,131,1,1
3dht_B_,128,132,1,1
3dht_B_,130,134,1,1
3dht_B_,131,135,1,1
3dht_B_,132,136,1,1
3dht_B_,133,137,1,1
3dht_B_,134,138,1,1
3dht_B_,135,138,1,1
3dht_B_,135,139,1,1
3dht_B_,136,140,1,1
3dht_B_,139,142,1,1
3dht_B_,142,145,1,1