D121213233313223313111323131323133313132322331323231323132333132313123231   >>    D12121323331322331311132313132313331313232233132323132313233313231312323   <<    D121213233313223313111323131323133313132322331323231323132333132313123233   >>      D121213233313223313111323131323133313132322331323231323132333132313123232   >>