A B C z x y (a,b,c) (x ,y,z ) ((2,6,10,14),(2,6,10,14),(2,6,10),(2,6,10),(2,6)(2,6),2,2) ((s,p,d,f),(s,p,d,f),(s,p,d),(s,p,d),(s,p),(s,p)s,s)