D313211331313233313233313231231211113313231323221322331323133313232233131231111   >>    D31321133131323331323331323123121111331323132322132233132313331323223313123111   <<    D313211331313233313233313231231211113313231323221322331323133313232233131231113   >>      D313211331313233313233313231231211113313231323221322331323133313232233131231112   >>