D121213233313223313111323131323132333132333133313132323323132333132212331   >>    D12121323331322331311132313132313233313233313331313232332313233313221233   <<    D121213233313223313111323131323132333132333133313132323323132333132212333   >>      D121213233313223313111323131323132333132333133313132323323132333132212332   >>