D112221121133131333132322112331323331311221123223313133313132313232331   >>    D11222112113313133313232211233132333131122112322331313331313231323233   <<    D112221121133131333132322112331323331311221123223313133313132313232333   >>      D112221121133131333132322112331323331311221123223313133313132313232332   >>