C111123313331323113313331333133313331323123231333133313221211121
>>
C11112331333132311331333133313331333132312323133313331322121112
<<
C111123313331323113313331333133313331323123231333133313221211123
>>
C111123313331323113313331333133313331323123231333133313221211122
>>