pair,contact1,contact2,flow1,flow2 2xzz_A_,2,24,1,1 2xzz_A_,4,22,1,1 2xzz_A_,6,20,1,1 2xzz_A_,8,18,1,1 2xzz_A_,9,17,1,1 2xzz_A_,10,17,1,1 2xzz_A_,14,68,1,1 2xzz_A_,17,18,1,1 2xzz_A_,17,66,1,1 2xzz_A_,19,64,1,1 2xzz_A_,21,62,1,1 2xzz_A_,23,60,1,1 2xzz_A_,24,57,1,1 2xzz_A_,25,27,1,1 2xzz_A_,25,29,1,1 2xzz_A_,25,54,1,1 2xzz_A_,25,55,1,1 2xzz_A_,25,58,1,1 2xzz_A_,27,57,1,1 2xzz_A_,31,54,1,1 2xzz_A_,32,82,1,1 2xzz_A_,32,84,1,1 2xzz_A_,34,51,1,1 2xzz_A_,35,81,1,1 2xzz_A_,36,49,1,1 2xzz_A_,37,79,1,1 2xzz_A_,38,47,1,1 2xzz_A_,39,77,1,1 2xzz_A_,40,44,1,1 2xzz_A_,42,69,1,1 2xzz_A_,42,70,1,1 2xzz_A_,44,45,1,1 2xzz_A_,55,58,1,1 2xzz_A_,71,74,1,1 2xzz_A_,82,85,1,1 2xzz_A_,83,86,1,1 2xzz_A_,84,89,1,1