C111123313121111121111331333133313331333112221211111121133133313232213221
>>
C11112331312111112111133133313331333133311222121111112113313331323221322
<<
C111123313121111121111331333133313331333112221211111121133133313232213223
>>
C111123313121111121111331333133313331333112221211111121133133313232213222
>>