C1111121111331311211331333133313331333133313223313113313331313211   >>    C111112111133131121133133313331333133313331322331311331333131321   <<    C1111121111331311211331333133313331333133313223313113313331313213   >>      C1111121111331311211331333133313331333133313223313113313331313212   >>