D121213233313223313132322231323223313233313232223132313231311111   >>    D12121323331322331313232223132322331323331323222313231323131111   <<    D121213233313223313132322231323223313233313232223132313231311113   >>      D121213233313223313132322231323223313233313232223132313231311112   >>