C111112111133131121133133313331333121111133313331333133322331312231   >>    C11111211113313112113313331333133312111113331333133313332233131223   <<    C111112111133131121133133313331333121111133313331333133322331312233   >>      C111112111133131121133133313331333121111133313331333133322331312232   >>