private static bool isNumberInParticularBlock(int x, int y, Number item)
{
return((item.x <= x * 3 && item.x > (x - 1) * 3) && (item.y <= y * 3 && item.y > (y - 1) * 3));
}
private static void SetInitialNumber(int number, Number num)
{
num.number = number;
num.initial = true;
num.isEmpty = false;
}
