C2221333133313331311233132313331333133313331321123231333132322131131
>>
C222133313331333131123313231333133313331333132112323133313232213113
<<
C2221333133313331311233132313331333133313331321123231333132322131133
>>
C2221333133313331311233132313331333133313331321123231333132322131132
>>