pair,contact1,contact2,flow1,flow2 1x1f_A_,4,5,1,1 1x1f_A_,17,43,1,1 1x1f_A_,19,41,1,1 1x1f_A_,20,41,1,1 1x1f_A_,22,39,1,1 1x1f_A_,24,37,1,1 1x1f_A_,25,94,1,1 1x1f_A_,26,35,1,1 1x1f_A_,27,32,1,1 1x1f_A_,27,92,1,1 1x1f_A_,28,31,1,1 1x1f_A_,38,49,1,1 1x1f_A_,40,47,1,1 1x1f_A_,42,45,1,1 1x1f_A_,44,63,1,1 1x1f_A_,45,62,1,1 1x1f_A_,46,61,1,1 1x1f_A_,48,59,1,1 1x1f_A_,67,85,1,1 1x1f_A_,68,85,1,1 1x1f_A_,70,83,1,1 1x1f_A_,72,81,1,1 1x1f_A_,82,93,1,1 1x1f_A_,84,91,1,1 1x1f_A_,97,101,1,1 1x1f_A_,98,102,1,1 1x1f_A_,99,103,1,1 1x1f_A_,100,104,1,1 1x1f_A_,101,105,1,1 1x1f_A_,102,106,1,1 1x1f_A_,103,107,1,1 1x1f_A_,104,108,1,1 1x1f_A_,105,109,1,1 1x1f_A_,106,110,1,1 1x1f_A_,107,110,1,1 1x1f_A_,107,111,1,1 1x1f_A_,109,113,1,1 1x1f_A_,110,114,1,1 1x1f_A_,123,126,1,1 1x1f_A_,123,127,1,1 1x1f_A_,127,131,1,1 1x1f_A_,128,132,1,1 1x1f_A_,129,133,1,1 1x1f_A_,130,134,1,1 1x1f_A_,131,135,1,1 1x1f_A_,132,136,1,1 1x1f_A_,133,137,1,1 1x1f_A_,134,138,1,1 1x1f_A_,135,139,1,1 1x1f_A_,137,141,1,1 1x1f_A_,138,141,1,1 1x1f_A_,139,142,1,1