pair,contact1,contact2,flow1,flow2 6s47_Be_,12,15,1,1 6s47_Be_,13,24,1,1 6s47_Be_,16,24,1,1 6s47_Be_,18,22,1,1 6s47_Be_,18,23,1,1 6s47_Be_,19,33,1,1 6s47_Be_,19,34,1,1 6s47_Be_,21,22,1,1 6s47_Be_,26,37,1,1 6s47_Be_,28,34,1,1 6s47_Be_,28,35,1,1 6s47_Be_,29,32,1,1 6s47_Be_,36,38,1,1 6s47_Be_,36,40,1,1 6s47_Be_,37,41,1,1 6s47_Be_,39,43,1,1 6s47_Be_,43,46,1,1 6s47_Be_,43,47,1,1 6s47_Be_,44,48,1,1 6s47_Be_,44,49,1,1