pair,contact1,contact2,flow1,flow2 2z51_A_,1,66,1,1 2z51_A_,2,66,1,1 2z51_A_,3,8,1,1 2z51_A_,5,8,1,1 2z51_A_,5,9,1,1 2z51_A_,6,10,1,1 2z51_A_,7,11,1,1 2z51_A_,8,12,1,1 2z51_A_,9,13,1,1 2z51_A_,10,14,1,1 2z51_A_,11,15,1,1 2z51_A_,12,15,1,1 2z51_A_,13,16,1,1 2z51_A_,13,17,1,1 2z51_A_,14,17,1,1 2z51_A_,15,66,1,1 2z51_A_,16,19,1,1 2z51_A_,16,20,1,1 2z51_A_,17,21,1,1 2z51_A_,17,26,1,1 2z51_A_,17,27,1,1 2z51_A_,18,22,1,1 2z51_A_,19,23,1,1 2z51_A_,20,23,1,1 2z51_A_,20,25,1,1 2z51_A_,21,24,1,1 2z51_A_,23,45,1,1 2z51_A_,24,45,1,1 2z51_A_,26,27,1,1 2z51_A_,26,42,1,1 2z51_A_,28,40,1,1 2z51_A_,30,38,1,1 2z51_A_,31,38,1,1 2z51_A_,33,36,1,1 2z51_A_,33,38,1,1 2z51_A_,35,71,1,1 2z51_A_,37,72,1,1 2z51_A_,37,74,1,1 2z51_A_,39,74,1,1 2z51_A_,39,76,1,1 2z51_A_,42,46,1,1 2z51_A_,44,47,1,1 2z51_A_,45,48,1,1 2z51_A_,48,50,1,1 2z51_A_,48,51,1,1 2z51_A_,49,52,1,1 2z51_A_,51,54,1,1 2z51_A_,51,55,1,1 2z51_A_,52,56,1,1 2z51_A_,53,57,1,1 2z51_A_,54,58,1,1 2z51_A_,55,59,1,1 2z51_A_,56,60,1,1 2z51_A_,57,61,1,1 2z51_A_,58,62,1,1 2z51_A_,59,63,1,1 2z51_A_,60,64,1,1 2z51_A_,60,73,1,1 2z51_A_,61,65,1,1 2z51_A_,63,66,1,1 2z51_A_,63,67,1,1 2z51_A_,67,70,1,1 2z51_A_,81,82,1,1 2z51_A_,81,143,1,1 2z51_A_,83,144,1,1 2z51_A_,84,86,1,1 2z51_A_,84,89,1,1 2z51_A_,86,89,1,1 2z51_A_,86,90,1,1 2z51_A_,87,91,1,1 2z51_A_,88,92,1,1 2z51_A_,89,92,1,1 2z51_A_,89,93,1,1 2z51_A_,90,94,1,1 2z51_A_,91,95,1,1 2z51_A_,91,98,1,1 2z51_A_,92,96,1,1 2z51_A_,93,96,1,1 2z51_A_,93,97,1,1 2z51_A_,94,97,1,1 2z51_A_,94,98,1,1 2z51_A_,95,98,1,1 2z51_A_,97,100,1,1 2z51_A_,98,101,1,1 2z51_A_,98,109,1,1 2z51_A_,102,105,1,1 2z51_A_,103,106,1,1 2z51_A_,106,127,1,1 2z51_A_,108,124,1,1 2z51_A_,110,122,1,1 2z51_A_,112,120,1,1 2z51_A_,113,120,1,1 2z51_A_,115,118,1,1 2z51_A_,115,120,1,1 2z51_A_,117,149,1,1 2z51_A_,119,150,1,1 2z51_A_,119,152,1,1 2z51_A_,121,152,1,1 2z51_A_,121,154,1,1 2z51_A_,122,154,1,1 2z51_A_,125,128,1,1 2z51_A_,126,129,1,1 2z51_A_,127,130,1,1 2z51_A_,130,133,1,1 2z51_A_,132,136,1,1 2z51_A_,133,137,1,1 2z51_A_,134,138,1,1 2z51_A_,135,139,1,1 2z51_A_,136,140,1,1 2z51_A_,137,141,1,1 2z51_A_,138,142,1,1 2z51_A_,139,143,1,1 2z51_A_,140,143,1,1 2z51_A_,140,144,1,1 2z51_A_,141,145,1,1 2z51_A_,142,148,1,1 2z51_A_,145,148,1,1