D31321133131323331323331323123121111331323133313223313231323223313221111   >>    D3132113313132333132333132312312111133132313331322331323132322331322111   <<    D31321133131323331323331323123121111331323133313223313231323223313221113   >>      D31321133131323331323331323123121111331323133313223313231323223313221112   >>