pair,contact1,contact2,flow1,flow2 3rqg_E_,1,4,1,1 3rqg_E_,2,6,1,1 3rqg_E_,3,7,1,1 3rqg_E_,4,8,1,1 3rqg_E_,5,9,1,1 3rqg_E_,6,10,1,1 3rqg_E_,7,11,1,1 3rqg_E_,8,11,1,1