C11112331312111112111133133313331333133313331333133313331333131121111332321   >>    C1111233131211111211113313331333133313331333133313331333133313112111133232   <<    C11112331312111112111133133313331333133313331333133313331333131121111332323   >>      C11112331312111112111133133313331333133313331333133313331333131121111332322   >>