C111123313121111121111331333132313331323133313331322333121133133313113221211   >>    C11112331312111112111133133313231333132313331333132233312113313331311322121   <<    C111123313121111121111331333132313331323133313331322333121133133313113221213   >>      C111123313121111121111331333132313331323133313331322333121133133313113221212   >>