C3123121111113313121111331333133313223313121111121111331323213211
>>
C312312111111331312111133133313331322331312111112111133132321321
<<
C3123121111113313121111331333133313223313121111121111331323213213
>>
C3123121111113313121111331333133313223313121111121111331323213212
>>