C111123313121111121111331333133313331333131113211211111133131131131
>>
C11112331312111112111133133313331333133313111321121111113313113113
<<
C111123313121111121111331333133313331333131113211211111133131131133
>>
C111123313121111121111331333133313331333131113211211111133131131132
>>