C31232233133313221211113313331333133313331212111112111133112322233231   >>    C3123223313331322121111331333133313331333121211111211113311232223323   <<    C31232233133313221211113313331333133313331212111112111133112322233233   >>      C31232233133313221211113313331333133313331212111112111133112322233232   >>