D132311331123313132313331313331322132333132313231322132323213231   >>    D13231133112331313231333131333132213233313231323132213232321323   <<    D132311331123313132313331313331322132333132313231322132323213233   >>      D132311331123313132313331313331322132333132313231322132323213232   >>