C23221211113313331233133313331312111112111133313331211111333133313231322121211   >>    C2322121111331333123313331333131211111211113331333121111133313331323132212121   <<    C23221211113313331233133313331312111112111133313331211111333133313231322121213   >>      C23221211113313331233133313331312111112111133313331211111333133313231322121212   >>