pair,contact1,contact2,flow1,flow2 7pic_k_,2,5,1,1 7pic_k_,2,6,1,1 7pic_k_,5,6,1,1 7pic_k_,27,30,1,1 7pic_k_,32,40,1,1 7pic_k_,36,39,1,1 7pic_k_,37,38,1,1 7pic_k_,42,44,1,1 7pic_k_,45,46,1,1 7pic_k_,46,49,1,1 7pic_k_,54,59,1,1 7pic_k_,55,58,1,1 7pic_k_,56,59,1,1 7pic_k_,65,72,1,1 7pic_k_,76,109,1,1 7pic_k_,76,111,1,1 7pic_k_,78,111,1,1 7pic_k_,78,113,1,1 7pic_k_,79,81,1,1 7pic_k_,79,83,1,1 7pic_k_,80,113,1,1 7pic_k_,81,84,1,1 7pic_k_,82,85,1,1 7pic_k_,90,95,1,1 7pic_k_,92,93,1,1 7pic_k_,92,95,1,1 7pic_k_,93,96,1,1 7pic_k_,93,97,1,1 7pic_k_,96,101,1,1 7pic_k_,97,100,1,1 7pic_k_,103,105,1,1 7pic_k_,110,127,1,1 7pic_k_,112,128,1,1 7pic_k_,112,130,1,1 7pic_k_,117,118,1,1 7pic_k_,117,136,1,1 7pic_k_,122,143,1,1 7pic_k_,123,143,1,1 7pic_k_,124,143,1,1 7pic_k_,126,147,1,1 7pic_k_,130,134,1,1 7pic_k_,131,135,1,1 7pic_k_,132,136,1,1 7pic_k_,133,137,1,1 7pic_k_,134,138,1,1 7pic_k_,137,140,1,1