U[n,0] = U[n][n][n][n][n]... with U[n] dimensions
U[n, m] = U[n][n][n][n]... with U[n,m-1] dimensions
U![n, m]! = U![n][n]....[n][n]!
U[#, O] = U[#][#][#][#].... where # is the rest of the line and there are O [#]'s, a dimension with more than 2 arguments is considered a line
U[# |1| O] = U[#,#,#,#,#,#,#...]
U[# |n| O] = U[#|n-1|#|n-1|#|n-1|#...]
U[# ||n|| O] = U[#|n|#|n|#|n|#...][#|n|#|n|#|n|#...][#|n|#|n|#|n|#...].... with U[# |n| O] dimensions