pair,contact1,contact2,flow1,flow2 8xxl_SZ_,2,3,1,1 8xxl_SZ_,2,4,1,1 8xxl_SZ_,7,38,1,1 8xxl_SZ_,11,14,1,1 8xxl_SZ_,11,15,1,1 8xxl_SZ_,12,16,1,1 8xxl_SZ_,13,17,1,1 8xxl_SZ_,15,18,1,1 8xxl_SZ_,15,19,1,1 8xxl_SZ_,15,50,1,1 8xxl_SZ_,16,19,1,1 8xxl_SZ_,16,20,1,1 8xxl_SZ_,17,21,1,1 8xxl_SZ_,21,24,1,1 8xxl_SZ_,23,74,1,1 8xxl_SZ_,26,70,1,1 8xxl_SZ_,28,69,1,1 8xxl_SZ_,29,32,1,1 8xxl_SZ_,29,33,1,1 8xxl_SZ_,30,34,1,1 8xxl_SZ_,32,36,1,1 8xxl_SZ_,33,37,1,1 8xxl_SZ_,34,40,1,1 8xxl_SZ_,42,46,1,1 8xxl_SZ_,43,47,1,1 8xxl_SZ_,44,48,1,1 8xxl_SZ_,45,49,1,1 8xxl_SZ_,46,50,1,1 8xxl_SZ_,47,51,1,1 8xxl_SZ_,48,52,1,1 8xxl_SZ_,49,53,1,1 8xxl_SZ_,50,53,1,1 8xxl_SZ_,50,54,1,1 8xxl_SZ_,51,56,1,1 8xxl_SZ_,52,55,1,1 8xxl_SZ_,58,70,1,1 8xxl_SZ_,60,68,1,1 8xxl_SZ_,61,66,1,1 8xxl_SZ_,61,68,1,1 8xxl_SZ_,63,65,1,1 8xxl_SZ_,63,66,1,1 8xxl_SZ_,66,67,1,1