pair,contact1,contact2,flow1,flow2 6tpq_p_,8,12,1,1 6tpq_p_,9,13,1,1 6tpq_p_,10,14,1,1 6tpq_p_,11,15,1,1 6tpq_p_,13,16,1,1 6tpq_p_,14,17,1,1 6tpq_p_,16,19,1,1 6tpq_p_,17,18,1,1 6tpq_p_,25,38,1,1 6tpq_p_,27,36,1,1 6tpq_p_,29,31,1,1 6tpq_p_,29,32,1,1 6tpq_p_,29,33,1,1 6tpq_p_,29,34,1,1 6tpq_p_,29,47,1,1 6tpq_p_,31,45,1,1 6tpq_p_,31,47,1,1 6tpq_p_,32,34,1,1 6tpq_p_,38,40,1,1 6tpq_p_,42,46,1,1 6tpq_p_,45,47,1,1 6tpq_p_,46,53,1,1 6tpq_p_,48,51,1,1 6tpq_p_,49,51,1,1