C11112331312111112111133133313331333132323213331333133323213112131   >>    C1111233131211111211113313331333133313232321333133313332321311213   <<    C11112331312111112111133133313331333132323213331333133323213112133   >>      C11112331312111112111133133313331333132323213331333133323213112132   >>