pair,contact1,contact2,flow1,flow2 1np0_A_,12,14,1,1 1np0_A_,19,22,1,1 1np0_A_,23,48,1,1 1np0_A_,27,41,1,1 1np0_A_,28,30,1,1 1np0_A_,28,31,1,1 1np0_A_,31,33,1,1 1np0_A_,34,37,1,1 1np0_A_,37,41,1,1 1np0_A_,38,42,1,1 1np0_A_,39,43,1,1 1np0_A_,40,44,1,1 1np0_A_,41,45,1,1 1np0_A_,42,45,1,1 1np0_A_,42,46,1,1 1np0_A_,43,47,1,1 1np0_A_,44,48,1,1 1np0_A_,45,49,1,1 1np0_A_,46,50,1,1 1np0_A_,47,51,1,1 1np0_A_,48,52,1,1 1np0_A_,49,53,1,1