pair,contact1,contact2,flow1,flow2 1n27_A_,8,10,1,1 1n27_A_,10,13,1,1 1n27_A_,12,29,1,1 1n27_A_,13,14,1,1 1n27_A_,13,29,1,1 1n27_A_,14,65,1,1 1n27_A_,15,27,1,1 1n27_A_,16,63,1,1 1n27_A_,17,25,1,1 1n27_A_,19,22,1,1 1n27_A_,25,49,1,1 1n27_A_,26,49,1,1 1n27_A_,28,47,1,1 1n27_A_,30,45,1,1 1n27_A_,40,43,1,1 1n27_A_,41,42,1,1 1n27_A_,43,56,1,1 1n27_A_,44,57,1,1 1n27_A_,46,55,1,1 1n27_A_,48,52,1,1 1n27_A_,48,53,1,1 1n27_A_,50,87,1,1 1n27_A_,58,61,1,1 1n27_A_,59,62,1,1 1n27_A_,64,67,1,1 1n27_A_,64,68,1,1 1n27_A_,65,68,1,1 1n27_A_,68,72,1,1 1n27_A_,69,70,1,1 1n27_A_,72,74,1,1 1n27_A_,73,74,1,1 1n27_A_,74,76,1,1 1n27_A_,76,78,1,1 1n27_A_,80,84,1,1 1n27_A_,81,85,1,1 1n27_A_,82,86,1,1 1n27_A_,83,86,1,1 1n27_A_,83,87,1,1 1n27_A_,84,88,1,1 1n27_A_,86,90,1,1 1n27_A_,88,91,1,1 1n27_A_,88,92,1,1 1n27_A_,89,92,1,1