C111123313121111121111331333133313331321123121133132313331333133112213123221   >>    C11112331312111112111133133313331333132112312113313231333133313311221312322   <<    C111123313121111121111331333133313331321123121133132313331333133112213123223   >>      C111123313121111121111331333133313331321123121133132313331333133112213123222   >>