pair,contact1,contact2,flow1,flow2 8pk0_u_,1,2,1,1 8pk0_u_,3,6,1,1 8pk0_u_,3,7,1,1 8pk0_u_,4,8,1,1 8pk0_u_,5,9,1,1 8pk0_u_,6,9,1,1 8pk0_u_,6,10,1,1 8pk0_u_,7,11,1,1 8pk0_u_,8,12,1,1 8pk0_u_,11,16,1,1 8pk0_u_,12,15,1,1 8pk0_u_,14,44,1,1 8pk0_u_,17,38,1,1 8pk0_u_,18,20,1,1 8pk0_u_,20,36,1,1 8pk0_u_,22,34,1,1 8pk0_u_,24,32,1,1 8pk0_u_,25,28,1,1 8pk0_u_,31,32,1,1 8pk0_u_,31,84,1,1 8pk0_u_,32,84,1,1 8pk0_u_,33,84,1,1 8pk0_u_,33,86,1,1 8pk0_u_,35,86,1,1 8pk0_u_,35,88,1,1 8pk0_u_,37,88,1,1 8pk0_u_,37,90,1,1 8pk0_u_,38,90,1,1 8pk0_u_,40,44,1,1 8pk0_u_,41,44,1,1 8pk0_u_,41,45,1,1 8pk0_u_,42,46,1,1 8pk0_u_,43,47,1,1 8pk0_u_,44,48,1,1 8pk0_u_,45,49,1,1 8pk0_u_,46,50,1,1 8pk0_u_,47,51,1,1 8pk0_u_,48,52,1,1 8pk0_u_,49,53,1,1 8pk0_u_,50,54,1,1 8pk0_u_,51,55,1,1 8pk0_u_,52,56,1,1 8pk0_u_,53,57,1,1 8pk0_u_,54,58,1,1 8pk0_u_,55,59,1,1 8pk0_u_,56,64,1,1 8pk0_u_,70,79,1,1 8pk0_u_,71,74,1,1 8pk0_u_,74,77,1,1 8pk0_u_,76,91,1,1 8pk0_u_,78,89,1,1 8pk0_u_,79,88,1,1 8pk0_u_,80,87,1,1 8pk0_u_,82,85,1,1 8pk0_u_,91,95,1,1 8pk0_u_,92,96,1,1 8pk0_u_,93,97,1,1 8pk0_u_,94,98,1,1 8pk0_u_,99,102,1,1 8pk0_u_,100,104,1,1 8pk0_u_,101,105,1,1 8pk0_u_,102,105,1,1 8pk0_u_,102,106,1,1 8pk0_u_,103,107,1,1 8pk0_u_,107,108,1,1 8pk0_u_,110,114,1,1 8pk0_u_,111,115,1,1 8pk0_u_,112,116,1,1 8pk0_u_,113,116,1,1