C3123223313331322121111331333133313331333121211113313332213331333233133121   >>    C312322331333132212111133133313331333133312121111331333221333133323313312   <<    C3123223313331322121111331333133313331333121211113313332213331333233133123   >>      C3123223313331322121111331333133313331333121211113313332213331333233133122   >>