C111123313121111121111331333133313331333112221211111211111121133131111211
>>
C11112331312111112111133133313331333133311222121111121111112113313111121
<<
C111123313121111121111331333133313331333112221211111211111121133131111213
>>
C111123313121111121111331333133313331333112221211111211111121133131111212
>>