D121213233313223313111323131323132333132333133313132323323132323221   >>    D12121323331322331311132313132313233313233313331313232332313232322   <<    D121213233313223313111323131323132333132333133313132323323132323223   >>      D121213233313223313111323131323132333132333133313132323323132323222   >>