I23323132333131133131323223313221123313233313223313233313231211   >>    I2332313233313113313132322331322112331323331322331323331323121   <<    I23323132333131133131323223313221123313233313223313233313231213   >>      I23323132333131133131323223313221123313233313223313233313231212   >>