C2221333133313331311233132313331333133313331323121111132322131111
>>
C222133313331333131123313231333133313331333132312111113232213111
<<
C2221333133313331311233132313331333133313331323121111132322131113
>>
C2221333133313331311233132313331333133313331323121111132322131112
>>