C11112331312111112111133133313331333133313331333133313331333132222121123231   >>    C1111233131211111211113313331333133313331333133313331333133313222212112323   <<    C11112331312111112111133133313331333133313331333133313331333132222121123233   >>      C11112331312111112111133133313331333133313331333133313331333132222121123232   >>