pair,contact1,contact2,flow1,flow2 7bt6_R_,2,4,1,1 7bt6_R_,3,7,1,1 7bt6_R_,4,8,1,1 7bt6_R_,5,9,1,1 7bt6_R_,6,10,1,1 7bt6_R_,6,31,1,1 7bt6_R_,6,32,1,1 7bt6_R_,7,11,1,1 7bt6_R_,8,12,1,1 7bt6_R_,9,13,1,1 7bt6_R_,10,14,1,1 7bt6_R_,11,15,1,1 7bt6_R_,17,20,1,1 7bt6_R_,22,50,1,1 7bt6_R_,24,26,1,1 7bt6_R_,24,48,1,1 7bt6_R_,27,30,1,1 7bt6_R_,28,32,1,1 7bt6_R_,30,33,1,1 7bt6_R_,31,34,1,1 7bt6_R_,36,40,1,1 7bt6_R_,37,41,1,1 7bt6_R_,38,42,1,1 7bt6_R_,39,43,1,1 7bt6_R_,40,44,1,1 7bt6_R_,41,45,1,1 7bt6_R_,42,46,1,1 7bt6_R_,43,47,1,1 7bt6_R_,43,48,1,1 7bt6_R_,46,48,1,1 7bt6_R_,58,60,1,1 7bt6_R_,59,63,1,1 7bt6_R_,60,64,1,1 7bt6_R_,61,65,1,1 7bt6_R_,62,66,1,1 7bt6_R_,63,67,1,1 7bt6_R_,64,68,1,1 7bt6_R_,65,68,1,1 7bt6_R_,65,69,1,1 7bt6_R_,66,70,1,1 7bt6_R_,67,71,1,1 7bt6_R_,68,73,1,1 7bt6_R_,69,72,1,1 7bt6_R_,73,75,1,1 7bt6_R_,75,80,1,1 7bt6_R_,76,79,1,1 7bt6_R_,83,86,1,1 7bt6_R_,83,87,1,1 7bt6_R_,84,88,1,1 7bt6_R_,90,94,1,1 7bt6_R_,91,95,1,1 7bt6_R_,92,96,1,1 7bt6_R_,93,97,1,1 7bt6_R_,94,98,1,1 7bt6_R_,95,99,1,1 7bt6_R_,96,100,1,1 7bt6_R_,97,101,1,1 7bt6_R_,97,131,1,1 7bt6_R_,98,102,1,1 7bt6_R_,99,103,1,1 7bt6_R_,100,104,1,1 7bt6_R_,101,105,1,1 7bt6_R_,102,106,1,1 7bt6_R_,103,107,1,1 7bt6_R_,104,108,1,1 7bt6_R_,105,109,1,1 7bt6_R_,106,110,1,1 7bt6_R_,107,111,1,1 7bt6_R_,108,113,1,1 7bt6_R_,109,112,1,1 7bt6_R_,109,119,1,1 7bt6_R_,115,118,1,1 7bt6_R_,115,119,1,1 7bt6_R_,116,120,1,1 7bt6_R_,118,121,1,1 7bt6_R_,118,122,1,1 7bt6_R_,119,123,1,1 7bt6_R_,121,125,1,1 7bt6_R_,122,126,1,1 7bt6_R_,123,126,1,1 7bt6_R_,123,127,1,1 7bt6_R_,125,128,1,1 7bt6_R_,133,136,1,1 7bt6_R_,133,137,1,1 7bt6_R_,134,138,1,1 7bt6_R_,135,139,1,1 7bt6_R_,136,140,1,1 7bt6_R_,137,141,1,1 7bt6_R_,138,142,1,1 7bt6_R_,139,143,1,1 7bt6_R_,140,144,1,1 7bt6_R_,141,145,1,1 7bt6_R_,142,146,1,1 7bt6_R_,143,147,1,1 7bt6_R_,144,148,1,1 7bt6_R_,145,149,1,1 7bt6_R_,146,150,1,1 7bt6_R_,147,151,1,1 7bt6_R_,148,152,1,1 7bt6_R_,149,153,1,1 7bt6_R_,150,154,1,1