A.4,3,2,0 B.5,4,3,+1/2 C.3,3,-1,+1/2 D.4,0,1/2,+1/
A.2sB.2pC.3sD.3p
A.(3,1,1,+1/2) B.(2,1,1,+1/2) C.(2,1,0,+1/2) D.(3,2,1,+1/2)