pair,contact1,contact2,flow1,flow2 8y0x_SZ_,1,4,1,1 8y0x_SZ_,1,5,1,1 8y0x_SZ_,2,6,1,1 8y0x_SZ_,3,7,1,1 8y0x_SZ_,4,8,1,1 8y0x_SZ_,5,9,1,1 8y0x_SZ_,6,9,1,1 8y0x_SZ_,6,10,1,1 8y0x_SZ_,7,11,1,1 8y0x_SZ_,8,11,1,1 8y0x_SZ_,8,12,1,1 8y0x_SZ_,10,14,1,1 8y0x_SZ_,11,14,1,1 8y0x_SZ_,13,61,1,1 8y0x_SZ_,16,57,1,1 8y0x_SZ_,18,56,1,1 8y0x_SZ_,19,22,1,1 8y0x_SZ_,19,23,1,1 8y0x_SZ_,20,24,1,1 8y0x_SZ_,21,25,1,1 8y0x_SZ_,22,26,1,1 8y0x_SZ_,23,27,1,1 8y0x_SZ_,30,34,1,1 8y0x_SZ_,31,35,1,1 8y0x_SZ_,32,36,1,1 8y0x_SZ_,33,37,1,1 8y0x_SZ_,34,38,1,1 8y0x_SZ_,35,39,1,1 8y0x_SZ_,36,40,1,1 8y0x_SZ_,37,41,1,1 8y0x_SZ_,38,42,1,1 8y0x_SZ_,39,42,1,1 8y0x_SZ_,39,43,1,1 8y0x_SZ_,40,44,1,1 8y0x_SZ_,47,57,1,1 8y0x_SZ_,49,55,1,1 8y0x_SZ_,50,53,1,1 8y0x_SZ_,50,55,1,1 8y0x_SZ_,59,60,1,1 8y0x_SZ_,59,61,1,1