pair,contact1,contact2,flow1,flow2 4wch_D_,3,6,1,1 4wch_D_,3,7,1,1 4wch_D_,4,8,1,1 4wch_D_,5,9,1,1 4wch_D_,6,10,1,1 4wch_D_,7,11,1,1 4wch_D_,8,12,1,1 4wch_D_,9,13,1,1 4wch_D_,10,14,1,1 4wch_D_,11,15,1,1 4wch_D_,11,75,1,1 4wch_D_,11,78,1,1 4wch_D_,12,16,1,1 4wch_D_,13,122,1,1 4wch_D_,13,124,1,1 4wch_D_,13,128,1,1 4wch_D_,14,17,1,1 4wch_D_,15,18,1,1 4wch_D_,21,25,1,1 4wch_D_,22,26,1,1 4wch_D_,23,27,1,1 4wch_D_,24,28,1,1 4wch_D_,25,29,1,1 4wch_D_,26,30,1,1 4wch_D_,27,31,1,1 4wch_D_,28,32,1,1 4wch_D_,29,33,1,1 4wch_D_,30,34,1,1 4wch_D_,31,35,1,1 4wch_D_,32,36,1,1 4wch_D_,33,37,1,1 4wch_D_,34,38,1,1 4wch_D_,35,39,1,1 4wch_D_,38,39,1,1 4wch_D_,39,42,1,1 4wch_D_,40,43,1,1 4wch_D_,42,45,1,1 4wch_D_,43,46,1,1 4wch_D_,46,49,1,1 4wch_D_,46,51,1,1 4wch_D_,47,50,1,1 4wch_D_,50,53,1,1 4wch_D_,53,55,1,1 4wch_D_,53,56,1,1 4wch_D_,56,60,1,1 4wch_D_,57,61,1,1 4wch_D_,58,62,1,1 4wch_D_,59,63,1,1 4wch_D_,60,64,1,1 4wch_D_,61,65,1,1 4wch_D_,62,66,1,1 4wch_D_,63,66,1,1 4wch_D_,63,67,1,1 4wch_D_,64,68,1,1 4wch_D_,65,69,1,1 4wch_D_,66,70,1,1 4wch_D_,67,71,1,1 4wch_D_,68,72,1,1 4wch_D_,69,73,1,1 4wch_D_,70,73,1,1 4wch_D_,70,74,1,1 4wch_D_,71,75,1,1 4wch_D_,73,76,1,1 4wch_D_,74,77,1,1 4wch_D_,76,79,1,1 4wch_D_,79,82,1,1 4wch_D_,79,83,1,1 4wch_D_,80,84,1,1 4wch_D_,81,85,1,1 4wch_D_,82,86,1,1 4wch_D_,83,87,1,1 4wch_D_,84,88,1,1 4wch_D_,85,89,1,1 4wch_D_,86,90,1,1 4wch_D_,87,91,1,1 4wch_D_,88,92,1,1 4wch_D_,89,93,1,1 4wch_D_,90,93,1,1 4wch_D_,90,94,1,1 4wch_D_,91,94,1,1 4wch_D_,91,139,1,1 4wch_D_,93,97,1,1 4wch_D_,100,102,1,1 4wch_D_,100,103,1,1 4wch_D_,101,104,1,1 4wch_D_,102,105,1,1 4wch_D_,103,107,1,1 4wch_D_,104,108,1,1 4wch_D_,105,109,1,1 4wch_D_,106,110,1,1 4wch_D_,107,111,1,1 4wch_D_,108,112,1,1 4wch_D_,109,113,1,1 4wch_D_,110,113,1,1 4wch_D_,110,114,1,1 4wch_D_,111,115,1,1 4wch_D_,114,117,1,1 4wch_D_,115,118,1,1 4wch_D_,115,119,1,1 4wch_D_,116,120,1,1 4wch_D_,119,122,1,1 4wch_D_,124,127,1,1 4wch_D_,124,128,1,1 4wch_D_,125,129,1,1 4wch_D_,126,130,1,1 4wch_D_,127,131,1,1 4wch_D_,128,132,1,1 4wch_D_,129,133,1,1 4wch_D_,131,134,1,1 4wch_D_,131,135,1,1 4wch_D_,132,136,1,1 4wch_D_,133,137,1,1 4wch_D_,134,138,1,1 4wch_D_,135,139,1,1 4wch_D_,136,140,1,1