C111123313121111121111331333133313331333231311331333131133121311211
>>
C11112331312111112111133133313331333133323131133133313113312131121
<<
C111123313121111121111331333133313331333231311331333131133121311213
>>
C111123313121111121111331333133313331333231311331333131133121311212
>>