C111123313121111121111331333133313331333131121133133313331333133313311233132231   >>    C11112331312111112111133133313331333133313112113313331333133313331331123313223   <<    C111123313121111121111331333133313331333131121133133313331333133313311233132233   >>      C111123313121111121111331333133313331333131121133133313331333133313311233132232   >>