C111123313121111121111331333133313331321123121133132313331333132321231131   >>    C11112331312111112111133133313331333132112312113313231333133313232123113   <<    C111123313121111121111331333133313331321123121133132313331333132321231133   >>      C111123313121111121111331333133313331321123121133132313331333132321231132   >>