C111123313121111121111331333133313121111121111121111121111331333133313231231221
>>
C11112331312111112111133133313331312111112111112111112111133133313331323123122
<<
C111123313121111121111331333133313121111121111121111121111331333133313231231223
>>
C111123313121111121111331333133313121111121111121111121111331333133313231231222
>>