C111123313121111121111331333133313331323232133313331312331311212331   >>    C11112331312111112111133133313331333132323213331333131233131121233   <<    C111123313121111121111331333133313331323232133313331312331311212333   >>      C111123313121111121111331333133313331323232133313331312331311212332   >>