C3123223313331322121111331333133313331333121211113313233313133112231   >>    C312322331333132212111133133313331333133312121111331323331313311223   <<    C3123223313331322121111331333133313331333121211113313233313133112233   >>      C3123223313331322121111331333133313331333121211113313233313133112232   >>