C31232233133313221211113313331333133313331212111112111133112113121211123221   >>    C3123223313331322121111331333133313331333121211111211113311211312121112322   <<    C31232233133313221211113313331333133313331212111112111133112113121211123223   >>      C31232233133313221211113313331333133313331212111112111133112113121211123222   >>