C11112331312111112111133133313331333133313331333133313311211111333222311   >>    C1111233131211111211113313331333133313331333133313331331121111133322231   <<    C11112331312111112111133133313331333133313331333133313311211111333222313   >>      C11112331312111112111133133313331333133313331333133313311211111333222312   >>