C111123313121111121111331333133313331321123121133132313331333111211   >>    C11112331312111112111133133313331333132112312113313231333133311121   <<    C111123313121111121111331333133313331321123121133132313331333111213   >>      C111123313121111121111331333133313331321123121133132313331333111212   >>