pair,contact1,contact2,flow1,flow2 2mt4_A_,3,6,1,1 2mt4_A_,4,8,1,1 2mt4_A_,5,9,1,1 2mt4_A_,6,10,1,1 2mt4_A_,7,11,1,1 2mt4_A_,9,13,1,1 2mt4_A_,10,14,1,1 2mt4_A_,12,15,1,1 2mt4_A_,19,21,1,1 2mt4_A_,19,22,1,1 2mt4_A_,20,24,1,1 2mt4_A_,22,25,1,1 2mt4_A_,23,26,1,1 2mt4_A_,23,27,1,1 2mt4_A_,24,28,1,1 2mt4_A_,25,29,1,1 2mt4_A_,26,30,1,1 2mt4_A_,27,31,1,1 2mt4_A_,28,32,1,1 2mt4_A_,29,33,1,1 2mt4_A_,30,34,1,1 2mt4_A_,31,35,1,1 2mt4_A_,32,36,1,1 2mt4_A_,33,37,1,1 2mt4_A_,35,38,1,1 2mt4_A_,36,40,1,1 2mt4_A_,37,40,1,1 2mt4_A_,39,43,1,1 2mt4_A_,44,61,1,1 2mt4_A_,46,59,1,1 2mt4_A_,48,57,1,1 2mt4_A_,50,53,1,1 2mt4_A_,50,55,1,1 2mt4_A_,58,97,1,1 2mt4_A_,60,95,1,1 2mt4_A_,62,74,1,1 2mt4_A_,62,93,1,1 2mt4_A_,63,75,1,1 2mt4_A_,64,90,1,1 2mt4_A_,64,91,1,1 2mt4_A_,65,75,1,1 2mt4_A_,65,77,1,1 2mt4_A_,76,80,1,1 2mt4_A_,77,81,1,1 2mt4_A_,79,82,1,1 2mt4_A_,80,83,1,1 2mt4_A_,80,84,1,1 2mt4_A_,84,87,1,1 2mt4_A_,88,91,1,1 2mt4_A_,98,99,1,1 2mt4_A_,99,102,1,1 2mt4_A_,101,105,1,1 2mt4_A_,102,106,1,1 2mt4_A_,104,108,1,1 2mt4_A_,105,109,1,1 2mt4_A_,106,109,1,1 2mt4_A_,106,110,1,1 2mt4_A_,107,111,1,1 2mt4_A_,108,112,1,1 2mt4_A_,109,113,1,1 2mt4_A_,110,114,1,1 2mt4_A_,111,115,1,1 2mt4_A_,112,116,1,1 2mt4_A_,113,117,1,1 2mt4_A_,114,118,1,1 2mt4_A_,115,118,1,1 2mt4_A_,115,119,1,1 2mt4_A_,116,120,1,1 2mt4_A_,117,121,1,1 2mt4_A_,118,122,1,1 2mt4_A_,120,124,1,1 2mt4_A_,121,124,1,1