C111123313121111121111331333133313331333131233133313331312111133132233131121231   >>    C11112331312111112111133133313331333133313123313331333131211113313223313112123   <<    C111123313121111121111331333133313331333131233133313331312111133132233131121233   >>      C111123313121111121111331333133313331333131233133313331312111133132233131121232   >>