pair,contact1,contact2,flow1,flow2 1sqb_K_,2,5,1,1 1sqb_K_,6,10,1,1 1sqb_K_,7,11,1,1 1sqb_K_,8,12,1,1 1sqb_K_,9,13,1,1 1sqb_K_,10,14,1,1 1sqb_K_,11,15,1,1 1sqb_K_,12,16,1,1 1sqb_K_,13,16,1,1 1sqb_K_,16,20,1,1 1sqb_K_,17,21,1,1 1sqb_K_,18,22,1,1 1sqb_K_,19,23,1,1 1sqb_K_,21,25,1,1 1sqb_K_,22,26,1,1 1sqb_K_,23,27,1,1 1sqb_K_,24,28,1,1 1sqb_K_,25,29,1,1 1sqb_K_,26,30,1,1 1sqb_K_,27,31,1,1 1sqb_K_,28,32,1,1 1sqb_K_,29,33,1,1 1sqb_K_,30,34,1,1 1sqb_K_,31,35,1,1 1sqb_K_,32,37,1,1 1sqb_K_,37,41,1,1 1sqb_K_,38,42,1,1 1sqb_K_,40,43,1,1 1sqb_K_,42,48,1,1 1sqb_K_,42,50,1,1