pair,contact1,contact2,flow1,flow2 6tut_P_,1,2,1,1 6tut_P_,3,6,1,1 6tut_P_,3,7,1,1 6tut_P_,4,7,1,1 6tut_P_,4,8,1,1 6tut_P_,5,9,1,1 6tut_P_,6,10,1,1 6tut_P_,7,11,1,1 6tut_P_,8,12,1,1 6tut_P_,9,12,1,1 6tut_P_,9,13,1,1 6tut_P_,12,14,1,1 6tut_P_,14,67,1,1 6tut_P_,15,68,1,1 6tut_P_,17,60,1,1 6tut_P_,18,21,1,1 6tut_P_,21,24,1,1 6tut_P_,22,25,1,1 6tut_P_,22,26,1,1 6tut_P_,23,28,1,1 6tut_P_,29,33,1,1 6tut_P_,31,34,1,1 6tut_P_,31,35,1,1 6tut_P_,32,36,1,1 6tut_P_,34,38,1,1 6tut_P_,35,39,1,1 6tut_P_,36,40,1,1 6tut_P_,37,41,1,1 6tut_P_,38,42,1,1 6tut_P_,40,43,1,1 6tut_P_,41,44,1,1 6tut_P_,47,61,1,1 6tut_P_,51,54,1,1 6tut_P_,54,57,1,1 6tut_P_,62,64,1,1 6tut_P_,64,66,1,1 6tut_P_,68,69,1,1 6tut_P_,75,78,1,1 6tut_P_,78,81,1,1 6tut_P_,79,83,1,1 6tut_P_,80,84,1,1 6tut_P_,81,85,1,1 6tut_P_,82,86,1,1 6tut_P_,83,87,1,1 6tut_P_,84,88,1,1 6tut_P_,84,146,1,1 6tut_P_,85,88,1,1 6tut_P_,86,89,1,1 6tut_P_,88,91,1,1 6tut_P_,93,96,1,1 6tut_P_,103,105,1,1 6tut_P_,107,109,1,1 6tut_P_,108,156,1,1 6tut_P_,110,114,1,1 6tut_P_,111,113,1,1 6tut_P_,111,114,1,1 6tut_P_,112,116,1,1 6tut_P_,114,118,1,1 6tut_P_,115,119,1,1 6tut_P_,116,120,1,1 6tut_P_,117,120,1,1 6tut_P_,117,121,1,1 6tut_P_,118,122,1,1 6tut_P_,130,131,1,1 6tut_P_,133,136,1,1 6tut_P_,133,137,1,1 6tut_P_,134,138,1,1 6tut_P_,135,138,1,1 6tut_P_,136,139,1,1 6tut_P_,138,141,1,1 6tut_P_,138,142,1,1 6tut_P_,140,143,1,1 6tut_P_,140,144,1,1 6tut_P_,141,146,1,1 6tut_P_,141,147,1,1 6tut_P_,146,161,1,1 6tut_P_,148,156,1,1 6tut_P_,150,151,1,1 6tut_P_,150,154,1,1 6tut_P_,154,155,1,1 6tut_P_,158,161,1,1 6tut_P_,159,162,1,1 6tut_P_,160,163,1,1 6tut_P_,170,172,1,1 6tut_P_,173,176,1,1 6tut_P_,173,180,1,1 6tut_P_,176,179,1,1 6tut_P_,186,189,1,1