pair,contact1,contact2,flow1,flow2 1n4c_A_,23,25,1,1 1n4c_A_,26,27,1,1 1n4c_A_,35,38,1,1 1n4c_A_,41,43,1,1 1n4c_A_,52,55,1,1 1n4c_A_,53,56,1,1 1n4c_A_,55,57,1,1 1n4c_A_,71,74,1,1 1n4c_A_,72,75,1,1 1n4c_A_,75,78,1,1 1n4c_A_,76,79,1,1 1n4c_A_,76,80,1,1 1n4c_A_,79,82,1,1 1n4c_A_,80,88,1,1 1n4c_A_,85,87,1,1 1n4c_A_,85,88,1,1 1n4c_A_,85,89,1,1 1n4c_A_,88,91,1,1 1n4c_A_,88,92,1,1 1n4c_A_,89,93,1,1 1n4c_A_,90,93,1,1 1n4c_A_,90,94,1,1 1n4c_A_,91,95,1,1 1n4c_A_,92,96,1,1 1n4c_A_,94,97,1,1 1n4c_A_,94,108,1,1 1n4c_A_,95,98,1,1 1n4c_A_,98,101,1,1 1n4c_A_,101,103,1,1 1n4c_A_,101,104,1,1 1n4c_A_,101,105,1,1 1n4c_A_,102,106,1,1 1n4c_A_,103,107,1,1 1n4c_A_,105,108,1,1 1n4c_A_,108,111,1,1 1n4c_A_,109,112,1,1 1n4c_A_,117,119,1,1 1n4c_A_,124,127,1,1 1n4c_A_,130,133,1,1 1n4c_A_,130,134,1,1 1n4c_A_,131,135,1,1 1n4c_A_,132,136,1,1 1n4c_A_,133,137,1,1 1n4c_A_,134,138,1,1 1n4c_A_,137,141,1,1 1n4c_A_,138,142,1,1 1n4c_A_,139,142,1,1 1n4c_A_,139,143,1,1 1n4c_A_,140,144,1,1 1n4c_A_,141,144,1,1 1n4c_A_,142,145,1,1 1n4c_A_,143,146,1,1 1n4c_A_,146,149,1,1 1n4c_A_,147,150,1,1 1n4c_A_,148,151,1,1 1n4c_A_,152,156,1,1 1n4c_A_,153,156,1,1 1n4c_A_,155,158,1,1 1n4c_A_,155,159,1,1 1n4c_A_,157,161,1,1 1n4c_A_,158,162,1,1 1n4c_A_,159,163,1,1 1n4c_A_,160,164,1,1 1n4c_A_,161,165,1,1 1n4c_A_,162,166,1,1 1n4c_A_,163,167,1,1 1n4c_A_,165,168,1,1 1n4c_A_,165,169,1,1 1n4c_A_,168,171,1,1 1n4c_A_,169,173,1,1 1n4c_A_,170,174,1,1 1n4c_A_,172,176,1,1 1n4c_A_,173,177,1,1 1n4c_A_,177,179,1,1