C3123223313331322121111331333133313331333121211113313232223223231   >>    C312322331333132212111133133313331333133312121111331323222322323   <<    C3123223313331322121111331333133313331333121211113313232223223233   >>      C3123223313331322121111331333133313331333121211113313232223223232   >>