[M] -> { S2[i0, i1] -> [0, i0, 0, i1, 0] : i0 >= 1 and i0 <= 10 and i1 >= 11 and i1 <= M; S1[i0, i1] -> [0, i0, 0, i1, 0] : i0 >= 1 and i0 <= 10 and i1 >= 1 and i1 <= i0 }
[M] -> {  : M >= 20 }
[M] -> { [i, j, k, l, m] -> separate[o0] }