C111123313121111121111331333133313331321123121111113313221311211   >>    C11112331312111112111133133313331333132112312111111331322131121   <<    C111123313121111121111331333133313331321123121111113313221311213   >>      C111123313121111121111331333133313331321123121111113313221311212   >>