pair,contact1,contact2,flow1,flow2 2d2c_B_,3,12,1,1 2d2c_B_,3,13,1,1 2d2c_B_,17,18,1,1 2d2c_B_,22,26,1,1 2d2c_B_,24,28,1,1 2d2c_B_,25,29,1,1 2d2c_B_,26,30,1,1 2d2c_B_,27,30,1,1 2d2c_B_,28,31,1,1 2d2c_B_,28,32,1,1 2d2c_B_,29,33,1,1 2d2c_B_,32,36,1,1 2d2c_B_,33,37,1,1 2d2c_B_,34,38,1,1 2d2c_B_,35,39,1,1 2d2c_B_,36,40,1,1 2d2c_B_,37,41,1,1 2d2c_B_,47,49,1,1 2d2c_B_,61,62,1,1 2d2c_B_,63,65,1,1 2d2c_B_,65,69,1,1 2d2c_B_,66,70,1,1 2d2c_B_,67,71,1,1 2d2c_B_,68,72,1,1 2d2c_B_,69,128,1,1 2d2c_B_,70,74,1,1 2d2c_B_,76,77,1,1 2d2c_B_,77,80,1,1 2d2c_B_,79,83,1,1 2d2c_B_,80,84,1,1 2d2c_B_,81,84,1,1 2d2c_B_,81,85,1,1 2d2c_B_,82,86,1,1 2d2c_B_,83,86,1,1 2d2c_B_,84,87,1,1 2d2c_B_,85,89,1,1 2d2c_B_,88,91,1,1 2d2c_B_,88,92,1,1 2d2c_B_,91,94,1,1 2d2c_B_,93,97,1,1 2d2c_B_,97,99,1,1 2d2c_B_,105,108,1,1 2d2c_B_,106,113,1,1 2d2c_B_,109,112,1,1 2d2c_B_,110,114,1,1 2d2c_B_,112,116,1,1 2d2c_B_,113,116,1,1 2d2c_B_,113,117,1,1 2d2c_B_,115,119,1,1 2d2c_B_,116,118,1,1 2d2c_B_,116,120,1,1 2d2c_B_,118,121,1,1 2d2c_B_,118,122,1,1 2d2c_B_,119,123,1,1 2d2c_B_,123,126,1,1 2d2c_B_,124,127,1,1