D1212132333132233131323222313231323132313331322331323331311132313232211   >>    D121213233313223313132322231323132313231333132233132333131113231323221   <<    D1212132333132233131323222313231323132313331322331323331311132313232213   >>      D1212132333132233131323222313231323132313331322331323331311132313232212   >>