C111112111133131121133133313331333133313331323221211111211113313331312131121   >>    C11111211113313112113313331333133313331333132322121111121111331333131213112   <<    C111112111133131121133133313331333133313331323221211111211113313331312131123   >>      C111112111133131121133133313331333133313331323221211111211113313331312131122   >>