D131333132213233313233313131133132333132313223313233313131323132322331   >>    D13133313221323331323331313113313233313231322331323331313132313232233   <<    D131333132213233313233313131133132333132313223313233313131323132322333   >>      D131333132213233313233313131133132333132313223313233313131323132322332   >>