C111112111133131121133133313331333133313121111331333313331333133313232321323231   >>    C11111211113313112113313331333133313331312111133133331333133313331323232132323   <<    C111112111133131121133133313331333133313121111331333313331333133313232321323233   >>      C111112111133131121133133313331333133313121111331333313331333133313232321323232   >>