C111123313331323113313331333133313121111131121133133311211312111
>>
C11112331333132311331333133313331312111113112113313331121131211
<<
C111123313331323113313331333133313121111131121133133311211312113
>>
C111123313331323113313331333133313121111131121133133311211312112
>>