8 + 4*{3+ 3*[r + 4*(r:2 + 2)]:6}:31 = 12
4*{3+ 3*[r + 4*(r:2 + 2)]:6}:31 = 12 - 8 = 4
4*{3+ 3*[r + 4*(r:2 + 2)]:6}:31 = 4. Rezulta
{3+ 3*[r + 4*(r:2 + 2)]:6}:31 = 1
3+ 3*[r + 4*(r:2 + 2)]:6 = 31
3*[r + 4*(r:2 + 2)]:6 = 31 - 2 = 28
[r + 4*(r:2 + 2)]:2 = 28
[r + 4*(r:2 + 2)] = 28 * 2 = 56
r + 4*(r:2 + 2) = 56
r + 4 r / 2 + 8 = 56
r + 2 r = 56 - 8 = 48
3 r = 48
r = 16
