C111123313331323113313331333133313331323133112213331323133313232221
>>
C11112331333132311331333133313331333132313311221333132313331323222
<<
C111123313331323113313331333133313331323133112213331323133313232223
>>
C111123313331323113313331333133313331323133112213331323133313232222
>>