C3123223313331322121111331333133313331333121211113313332222333231   >>    C312322331333132212111133133313331333133312121111331333222233323   <<    C3123223313331322121111331333133313331333121211113313332222333233   >>      C3123223313331322121111331333133313331333121211113313332222333232   >>