D2311231323331322331313232233132313233313231211113313231323331211   >>    D231123132333132233131323223313231323331323121111331323132333121   <<    D2311231323331322331313232233132313233313231211113313231323331213   >>      D2311231323331322331313232233132313233313231211113313231323331212   >>