D1212121221323132313232332313232233132322331311312112331313231111   >>    D121212122132313231323233231323223313232233131131211233131323111   <<    D1212121221323132313232332313232233132322331311312112331313231113   >>      D1212121221323132313232332313232233132322331311312112331313231112   >>