1# Check that the most appropriate lower bound is selected
2[t1,t2]->{ S[i,j] -> [i,j] : exists (alpha, beta :
3    0 <= i <= 1 &&
4    t1 = j+128alpha &&
5    0 <= j+2beta < 128 &&
6    510 <= t2+2beta <= 514 &&
7    0 <= 2beta - t2 <= 5
8)}
9[t1,t2] -> {: 125 <= t1 <= 127 and 254 <= t2 < 257}
10{[i,j] -> unroll[x]}
11