D121213233313223313111323131323132333132333133313132323323132321111321   >>    D12121323331322331311132313132313233313233313331313232332313232111132   <<    D121213233313223313111323131323132333132333133313132323323132321111323   >>      D121213233313223313111323131323132333132333133313132323323132321111322   >>