pair,contact1,contact2,flow1,flow2 2khc_A_,6,7,1,1 2khc_A_,16,19,1,1 2khc_A_,32,54,1,1 2khc_A_,41,89,1,1 2khc_A_,41,91,1,1 2khc_A_,42,117,1,1 2khc_A_,43,87,1,1 2khc_A_,44,115,1,1 2khc_A_,45,85,1,1 2khc_A_,46,113,1,1 2khc_A_,47,110,1,1 2khc_A_,49,52,1,1 2khc_A_,54,58,1,1 2khc_A_,55,59,1,1 2khc_A_,56,60,1,1 2khc_A_,57,61,1,1 2khc_A_,59,62,1,1 2khc_A_,61,64,1,1 2khc_A_,63,65,1,1 2khc_A_,66,90,1,1 2khc_A_,68,88,1,1 2khc_A_,70,86,1,1 2khc_A_,72,84,1,1 2khc_A_,92,95,1,1 2khc_A_,93,97,1,1 2khc_A_,94,98,1,1 2khc_A_,95,99,1,1 2khc_A_,96,100,1,1 2khc_A_,97,101,1,1 2khc_A_,105,112,1,1 2khc_A_,107,110,1,1 2khc_A_,115,117,1,1