C111123313121111121111331333133313331333112221211111121131211311
>>
C11112331312111112111133133313331333133311222121111112113121131
<<
C111123313121111121111331333133313331333112221211111121131211313
>>
C111123313121111121111331333133313331333112221211111121131211312
>>