int x = 40 + 30 * D * (l * h * m - t * n), y = 12 + 15 * D * (l * h * n + t * m), o = x + 80 * y, N = 8 * ((f * e - c * d * g) * m - c * d * e - f * g - l * d * n)
int x = 40 + 30 * D * (l * h * m - t * n), y = 12 + 15 * D * (l * h * n + t * m), o = x + 80 * y, N = 8 * ((f * e - c * d * g) * m - c * d * e - f * g - l * d * n)