C11112331312111112111133133313331333132323213331333133313231231333131   >>    C1111233131211111211113313331333133313232321333133313331323123133313   <<    C11112331312111112111133133313331333132323213331333133313231231333133   >>      C11112331312111112111133133313331333132323213331333133313231231333132   >>