C2221333133313331311233132313331333133313232123313331323223313232111111   >>    C222133313331333131123313231333133313331323212331333132322331323211111   <<    C2221333133313331311233132313331333133313232123313331323223313232111113   >>      C2221333133313331311233132313331333133313232123313331323223313232111112   >>