private void Mix() { a -= c; a ^= rot(c, 4); c += b; b -= a; b ^= rot(a, 6); a += c; c -= b; c ^= rot(b, 8); b += a; a -= c; a ^= rot(c, 16); c += b; b -= a; b ^= rot(a, 19); a += c; c -= b; c ^= rot(b, 4); b += a; }