C111123313121111121111331333133313331333131233133313311231211111322131
>>
C11112331312111112111133133313331333133313123313331331123121111132213
<<
C111123313121111121111331333133313331333131233133313311231211111322133
>>
C111123313121111121111331333133313331333131233133313311231211111322132
>>