C1111133313331323223313331333133313113313223313331333132322122311111   >>    C111113331333132322331333133313331311331322331333133313232212231111   <<    C1111133313331323223313331333133313113313223313331333132322122311113   >>      C1111133313331323223313331333133313113313223313331333132322122311112   >>