C31232233133313221211113313331333133313331212111133121111133313331322222231   >>    C3123223313331322121111331333133313331333121211113312111113331333132222223   <<    C31232233133313221211113313331333133313331212111133121111133313331322222233   >>      C31232233133313221211113313331333133313331212111133121111133313331322222232   >>