D3313223322132333132333132321123231333132323331323222233132313232212131   >>    D331322332213233313233313232112323133313232333132322223313231323221213   <<    D3313223322132333132333132321123231333132323331323222233132313232212133   >>      D3313223322132333132333132321123231333132323331323222233132313232212132   >>