pair,contact1,contact2,flow1,flow2 2cr4_A_,16,18,1,1 2cr4_A_,16,19,1,1 2cr4_A_,19,49,1,1 2cr4_A_,21,49,1,1 2cr4_A_,21,51,1,1 2cr4_A_,25,29,1,1 2cr4_A_,26,30,1,1 2cr4_A_,27,31,1,1 2cr4_A_,28,32,1,1 2cr4_A_,29,33,1,1 2cr4_A_,31,35,1,1 2cr4_A_,32,36,1,1 2cr4_A_,37,40,1,1 2cr4_A_,37,41,1,1 2cr4_A_,43,46,1,1 2cr4_A_,45,63,1,1 2cr4_A_,46,63,1,1 2cr4_A_,47,115,1,1 2cr4_A_,48,61,1,1 2cr4_A_,50,51,1,1 2cr4_A_,50,59,1,1 2cr4_A_,51,58,1,1 2cr4_A_,52,57,1,1 2cr4_A_,58,75,1,1 2cr4_A_,60,73,1,1 2cr4_A_,62,71,1,1 2cr4_A_,64,67,1,1 2cr4_A_,64,68,1,1 2cr4_A_,64,69,1,1 2cr4_A_,64,108,1,1 2cr4_A_,65,68,1,1 2cr4_A_,76,83,1,1 2cr4_A_,78,81,1,1 2cr4_A_,84,85,1,1 2cr4_A_,92,96,1,1 2cr4_A_,93,97,1,1 2cr4_A_,94,98,1,1 2cr4_A_,95,99,1,1 2cr4_A_,96,100,1,1 2cr4_A_,97,101,1,1 2cr4_A_,99,102,1,1 2cr4_A_,99,103,1,1 2cr4_A_,105,111,1,1