[M] -> { S1[i0, i1] -> [0, i0, 0, i1, 0] : i0 >= 0 and i0 <= -1 + M and i1 >= 0 and i1 <= -1 + M }
[M] -> {  : M >= 1 }
[M] -> { [i, j, k, l, m] -> separate[o0] }