C111123313121111121111331333133313331321123121133132313331333132312323233121   >>    C11112331312111112111133133313331333132112312113313231333133313231232323312   <<    C111123313121111121111331333133313331321123121133132313331333132312323233123   >>      C111123313121111121111331333133313331321123121133132313331333132312323233122   >>