C111123313121111121111331333133313331333131322113121111331131121
>>
C11112331312111112111133133313331333133313132211312111133113112
<<
C111123313121111121111331333133313331333131322113121111331131123
>>
C111123313121111121111331333133313331333131322113121111331131122
>>