C3123223313331322121111331333133313331333121211113311221123231111   >>    C312322331333132212111133133313331333133312121111331122112323111   <<    C3123223313331322121111331333133313331333121211113311221123231113   >>      C3123223313331322121111331333133313331333121211113311221123231112   >>