C111123313121111121111331333133313331333133313331333133313331311211213131   >>    C11112331312111112111133133313331333133313331333133313331333131121121313   <<    C111123313121111121111331333133313331333133313331333133313331311211213133   >>      C111123313121111121111331333133313331333133313331333133313331311211213132   >>