D2333131333132213231323223313111122112323223313231333112211231231111   >>    D233313133313221323132322331311112211232322331323133311221123123111   <<    D2333131333132213231323223313111122112323223313231333112211231231113   >>      D2333131333132213231323223313111122112323223313231333112211231231112   >>