public void OnFlip(Mobile m)
{
var list = IDTable.FirstOrDefault(l => l.Any(id => id == ItemID));
if (list != null)
{
var index = Array.IndexOf(list, ItemID);
if (index == 0 || index == 2)
{
ItemID = list[index + 1];
}
else if (index == 1 || index == 3)
{
ItemID = list[index - 1];
}
}
}