C111123313121111121111331333133313331323232133313331312111133132112322331   >>    C11112331312111112111133133313331333132323213331333131211113313211232233   <<    C111123313121111121111331333133313331323232133313331312111133132112322333   >>      C111123313121111121111331333133313331323232133313331312111133132112322332   >>