C1111121111331311211331333133313113313331311221123133313113313233313223321   >>    C111112111133131121133133313331311331333131122112313331311331323331322332   <<    C1111121111331311211331333133313113313331311221123133313113313233313223323   >>      C1111121111331311211331333133313113313331311221123133313113313233313223322   >>