C31232233133313221211113313331333133313331212111112111111331333231   >>    C3123223313331322121111331333133313331333121211111211111133133323   <<    C31232233133313221211113313331333133313331212111112111111331333233   >>      C31232233133313221211113313331333133313331212111112111111331333232   >>