pair,contact1,contact2,flow1,flow2 8y0x_Sd_,2,5,1,1 8y0x_Sd_,9,14,1,1 8y0x_Sd_,11,14,1,1 8y0x_Sd_,11,15,1,1 8y0x_Sd_,17,22,1,1 8y0x_Sd_,18,31,1,1 8y0x_Sd_,18,32,1,1 8y0x_Sd_,18,33,1,1 8y0x_Sd_,20,21,1,1 8y0x_Sd_,25,36,1,1 8y0x_Sd_,27,34,1,1 8y0x_Sd_,28,31,1,1 8y0x_Sd_,35,37,1,1 8y0x_Sd_,35,38,1,1 8y0x_Sd_,35,39,1,1 8y0x_Sd_,36,40,1,1 8y0x_Sd_,37,41,1,1 8y0x_Sd_,38,42,1,1 8y0x_Sd_,42,46,1,1 8y0x_Sd_,43,47,1,1 8y0x_Sd_,49,51,1,1