C3123223313331322121111331333133313331333121211111211113321223221   >>    C312322331333132212111133133313331333133312121111121111332122322   <<    C3123223313331322121111331333133313331333121211111211113321223223   >>      C3123223313331322121111331333133313331333121211111211113321223222   >>