C2221333133313331311233132313331333133313232123313331323221311111   >>    C222133313331333131123313231333133313331323212331333132322131111   <<    C2221333133313331311233132313331333133313232123313331323221311113   >>      C2221333133313331311233132313331333133313232123313331323221311112   >>