pair,contact1,contact2,flow1,flow2 2cu8_A_,10,19,1,1 2cu8_A_,12,33,1,1 2cu8_A_,14,38,1,1 2cu8_A_,15,33,1,1 2cu8_A_,24,31,1,1 2cu8_A_,25,32,1,1 2cu8_A_,27,30,1,1 2cu8_A_,27,32,1,1 2cu8_A_,27,51,1,1 2cu8_A_,33,36,1,1 2cu8_A_,33,37,1,1 2cu8_A_,36,38,1,1 2cu8_A_,40,57,1,1 2cu8_A_,51,52,1,1 2cu8_A_,52,59,1,1 2cu8_A_,54,57,1,1 2cu8_A_,60,65,1,1 2cu8_A_,63,67,1,1 2cu8_A_,64,68,1,1 2cu8_A_,65,69,1,1