D1323121211113313132312323132322331323331323222233132313331323211231221   >>    D132312121111331313231232313232233132333132322223313231333132321123122   <<    D1323121211113313132312323132322331323331323222233132313331323211231223   >>      D1323121211113313132312323132322331323331323222233132313331323211231222   >>