pair,contact1,contact2,flow1,flow2 1ory_B_,1,5,1,1 1ory_B_,2,6,1,1 1ory_B_,3,7,1,1 1ory_B_,4,7,1,1 1ory_B_,4,8,1,1 1ory_B_,5,9,1,1 1ory_B_,6,9,1,1 1ory_B_,6,10,1,1 1ory_B_,8,11,1,1 1ory_B_,8,12,1,1 1ory_B_,9,13,1,1 1ory_B_,10,13,1,1 1ory_B_,11,14,1,1 1ory_B_,11,15,1,1 1ory_B_,12,16,1,1 1ory_B_,13,17,1,1 1ory_B_,15,18,1,1 1ory_B_,15,19,1,1 1ory_B_,19,23,1,1 1ory_B_,20,24,1,1 1ory_B_,21,25,1,1 1ory_B_,22,26,1,1 1ory_B_,23,27,1,1 1ory_B_,24,28,1,1 1ory_B_,25,29,1,1 1ory_B_,27,29,1,1 1ory_B_,31,35,1,1 1ory_B_,32,36,1,1 1ory_B_,33,37,1,1 1ory_B_,34,38,1,1 1ory_B_,36,39,1,1 1ory_B_,37,40,1,1