D121213233313223313111323131323133313132322331323222313331313233311   >>    D12121323331322331311132313132313331313232233132322231333131323331   <<    D121213233313223313111323131323133313132322331323222313331313233313   >>      D121213233313223313111323131323133313132322331323222313331313233312   >>