C111123313121111121111331333133313331321123121111121111132232211   >>    C11112331312111112111133133313331333132112312111112111113223221   <<    C111123313121111121111331333133313331321123121111121111132232213   >>      C111123313121111121111331333133313331321123121111121111132232212   >>