pair,contact1,contact2,flow1,flow2 4pwt_A_,1,4,1,1 4pwt_A_,2,5,1,1 4pwt_A_,6,9,1,1 4pwt_A_,10,13,1,1 4pwt_A_,10,14,1,1 4pwt_A_,11,15,1,1 4pwt_A_,12,16,1,1 4pwt_A_,13,17,1,1 4pwt_A_,14,18,1,1 4pwt_A_,17,20,1,1 4pwt_A_,18,21,1,1 4pwt_A_,19,22,1,1 4pwt_A_,20,23,1,1 4pwt_A_,21,24,1,1 4pwt_A_,22,127,1,1 4pwt_A_,24,46,1,1 4pwt_A_,25,125,1,1 4pwt_A_,27,123,1,1 4pwt_A_,29,121,1,1 4pwt_A_,30,33,1,1 4pwt_A_,32,66,1,1 4pwt_A_,32,72,1,1 4pwt_A_,33,80,1,1 4pwt_A_,34,79,1,1 4pwt_A_,37,40,1,1 4pwt_A_,38,41,1,1 4pwt_A_,41,44,1,1 4pwt_A_,42,45,1,1 4pwt_A_,43,47,1,1 4pwt_A_,44,48,1,1 4pwt_A_,44,86,1,1 4pwt_A_,45,49,1,1 4pwt_A_,46,50,1,1 4pwt_A_,46,127,1,1 4pwt_A_,47,51,1,1 4pwt_A_,48,52,1,1 4pwt_A_,49,52,1,1 4pwt_A_,49,53,1,1 4pwt_A_,50,53,1,1 4pwt_A_,51,90,1,1 4pwt_A_,51,91,1,1 4pwt_A_,53,56,1,1 4pwt_A_,54,57,1,1 4pwt_A_,58,96,1,1 4pwt_A_,58,98,1,1 4pwt_A_,59,126,1,1 4pwt_A_,60,98,1,1 4pwt_A_,60,100,1,1 4pwt_A_,61,63,1,1 4pwt_A_,61,124,1,1 4pwt_A_,62,100,1,1 4pwt_A_,62,102,1,1 4pwt_A_,63,80,1,1 4pwt_A_,63,122,1,1 4pwt_A_,64,103,1,1 4pwt_A_,65,66,1,1 4pwt_A_,65,120,1,1 4pwt_A_,65,121,1,1 4pwt_A_,66,73,1,1 4pwt_A_,66,80,1,1 4pwt_A_,69,72,1,1 4pwt_A_,69,73,1,1 4pwt_A_,70,74,1,1 4pwt_A_,71,75,1,1 4pwt_A_,72,76,1,1 4pwt_A_,73,77,1,1 4pwt_A_,74,78,1,1 4pwt_A_,74,101,1,1 4pwt_A_,75,79,1,1 4pwt_A_,76,80,1,1 4pwt_A_,77,81,1,1 4pwt_A_,78,82,1,1 4pwt_A_,79,83,1,1 4pwt_A_,80,84,1,1 4pwt_A_,81,85,1,1 4pwt_A_,84,87,1,1 4pwt_A_,85,88,1,1 4pwt_A_,85,97,1,1 4pwt_A_,86,90,1,1 4pwt_A_,87,90,1,1 4pwt_A_,87,92,1,1 4pwt_A_,88,91,1,1 4pwt_A_,93,95,1,1 4pwt_A_,93,96,1,1 4pwt_A_,94,97,1,1 4pwt_A_,102,105,1,1 4pwt_A_,106,122,1,1 4pwt_A_,108,120,1,1 4pwt_A_,109,120,1,1 4pwt_A_,113,116,1,1 4pwt_A_,113,117,1,1 4pwt_A_,114,118,1,1 4pwt_A_,114,121,1,1 4pwt_A_,115,119,1,1 4pwt_A_,117,120,1,1 4pwt_A_,117,121,1,1 4pwt_A_,120,122,1,1