3 levels from calculation by
 Uylings, P.H.M. and Raassen, A.J.J. 1996, Physica Scripta 54, 505-513.
1  0.5   -242242.7  U            d4(1D2)4p 2P             (1D1)4p 2P    
1  0.5   -312786.3  U            d4(1S1)4p 2P             (1S1)4p 2P
1  1.5   -312786.3  U            d4(1S1)4p 2P             (1S1)4p 2P