C23221211113313331233133313331312111112111133313331211111333133313232213232231   >>    C2322121111331333123313331333131211111211113331333121111133313331323221323223   <<    C23221211113313331233133313331312111112111133313331211111333133313232213232233   >>      C23221211113313331233133313331312111112111133313331211111333133313232213232232   >>