C111123313121111121111331333133313331333133313331333133313331311113122321   >>    C11112331312111112111133133313331333133313331333133313331333131111312232   <<    C111123313121111121111331333133313331333133313331333133313331311113122323   >>      C111123313121111121111331333133313331333133313331333133313331311113122322   >>