pair,contact1,contact2,flow1,flow2 1sqx_K_,2,5,1,1 1sqx_K_,3,6,1,1 1sqx_K_,7,11,1,1 1sqx_K_,8,12,1,1 1sqx_K_,9,13,1,1 1sqx_K_,10,14,1,1 1sqx_K_,11,15,1,1 1sqx_K_,12,16,1,1 1sqx_K_,13,17,1,1 1sqx_K_,14,17,1,1 1sqx_K_,17,21,1,1 1sqx_K_,18,22,1,1 1sqx_K_,19,22,1,1 1sqx_K_,19,23,1,1 1sqx_K_,20,24,1,1 1sqx_K_,21,25,1,1 1sqx_K_,22,26,1,1 1sqx_K_,23,27,1,1 1sqx_K_,24,28,1,1 1sqx_K_,25,29,1,1 1sqx_K_,27,31,1,1 1sqx_K_,28,32,1,1 1sqx_K_,29,33,1,1 1sqx_K_,30,34,1,1 1sqx_K_,31,35,1,1 1sqx_K_,32,36,1,1 1sqx_K_,33,38,1,1 1sqx_K_,34,37,1,1 1sqx_K_,38,42,1,1 1sqx_K_,39,43,1,1 1sqx_K_,41,44,1,1 1sqx_K_,42,45,1,1 1sqx_K_,45,49,1,1