pair,contact1,contact2,flow1,flow2 7nsq_r_,2,5,1,1 7nsq_r_,3,7,1,1 7nsq_r_,4,8,1,1 7nsq_r_,4,9,1,1 7nsq_r_,13,15,1,1 7nsq_r_,17,21,1,1 7nsq_r_,18,22,1,1 7nsq_r_,19,23,1,1 7nsq_r_,20,24,1,1 7nsq_r_,25,26,1,1 7nsq_r_,25,29,1,1 7nsq_r_,28,54,1,1 7nsq_r_,32,35,1,1 7nsq_r_,32,36,1,1 7nsq_r_,33,37,1,1 7nsq_r_,33,38,1,1 7nsq_r_,36,38,1,1 7nsq_r_,39,43,1,1 7nsq_r_,40,44,1,1 7nsq_r_,41,45,1,1 7nsq_r_,42,46,1,1 7nsq_r_,43,47,1,1 7nsq_r_,44,48,1,1 7nsq_r_,45,49,1,1 7nsq_r_,46,50,1,1 7nsq_r_,47,51,1,1 7nsq_r_,48,52,1,1 7nsq_r_,49,53,1,1 7nsq_r_,50,54,1,1 7nsq_r_,51,55,1,1 7nsq_r_,52,56,1,1 7nsq_r_,53,58,1,1 7nsq_r_,53,59,1,1 7nsq_r_,62,64,1,1 7nsq_r_,62,65,1,1