D131333132213233313233313131133132333132313223313233313232112323231   >>    D13133313221323331323331313113313233313231322331323331323211232323   <<    D131333132213233313233313131133132333132313223313233313232112323233   >>      D131333132213233313233313131133132333132313223313233313232112323232   >>