I33132322131121133131323331333132313233313231322223313221121211   >>    I3313232213112113313132333133313231323331323132222331322112121   <<    I33132322131121133131323331333132313233313231322223313221121213   >>      I33132322131121133131323331333132313233313231322223313221121212   >>