In cubic box of side l , for ground state energy we will take n along x=1, n along y=1 and n along z=1............................and in first excited state we

In cubic box of side L , for ground state energy we will take n along x=1, n along y=1 and n along z=1............................and in first excited state we will take values of n along x,y,z as( 2,1,1),(1,2,1) or (1,1,2) then when we will take (2,2,2) and which excited energy is it called??