C111123313331323113313331333133313331323133121111331311312113121
>>
C11112331333132311331333133313331333132313312111133131131211312
<<
C111123313331323113313331333133313331323133121111331311312113123
>>
C111123313331323113313331333133313331323133121111331311312113122
>>