C31232233133313221211113313331333133313331212111133121111121111122321321   >>    C3123223313331322121111331333133313331333121211113312111112111112232132   <<    C31232233133313221211113313331333133313331212111133121111121111122321323   >>      C31232233133313221211113313331333133313331212111133121111121111122321322   >>