C111123313121111121111331333133313331313331323121111133313232311111   >>    C11112331312111112111133133313331333131333132312111113331323231111   <<    C111123313121111121111331333133313331313331323121111133313232311113   >>      C111123313121111121111331333133313331313331323121111133313232311112   >>