pair,contact1,contact2,flow1,flow2
4nc8_A_,1,23,1,1
4nc8_A_,4,7,1,1
4nc8_A_,4,8,1,1
4nc8_A_,5,9,1,1
4nc8_A_,7,10,1,1
4nc8_A_,8,11,1,1
4nc8_A_,11,51,1,1
4nc8_A_,12,15,1,1
4nc8_A_,12,16,1,1
4nc8_A_,13,17,1,1
4nc8_A_,14,18,1,1
4nc8_A_,15,19,1,1
4nc8_A_,15,64,1,1
4nc8_A_,16,19,1,1
4nc8_A_,16,20,1,1
4nc8_A_,17,21,1,1
4nc8_A_,18,22,1,1
4nc8_A_,19,23,1,1
4nc8_A_,20,24,1,1
4nc8_A_,21,25,1,1
4nc8_A_,29,32,1,1
4nc8_A_,29,33,1,1
4nc8_A_,30,34,1,1
4nc8_A_,31,35,1,1
4nc8_A_,32,36,1,1
4nc8_A_,33,37,1,1
4nc8_A_,34,38,1,1
4nc8_A_,35,39,1,1
4nc8_A_,35,45,1,1
4nc8_A_,36,39,1,1
4nc8_A_,36,40,1,1
4nc8_A_,37,40,1,1
4nc8_A_,38,43,1,1
4nc8_A_,39,42,1,1
4nc8_A_,44,47,1,1
4nc8_A_,45,48,1,1
4nc8_A_,48,51,1,1
4nc8_A_,49,52,1,1
4nc8_A_,51,55,1,1
4nc8_A_,52,56,1,1
4nc8_A_,53,57,1,1
4nc8_A_,54,58,1,1
4nc8_A_,55,59,1,1
4nc8_A_,56,60,1,1
4nc8_A_,57,61,1,1
4nc8_A_,58,62,1,1
4nc8_A_,62,64,1,1
4nc8_A_,62,65,1,1
4nc8_A_,71,72,1,1
4nc8_A_,75,78,1,1
4nc8_A_,76,79,1,1