C2221333133313331311233132313331333133313331321123231333133322121131
>>
C222133313331333131123313231333133313331333132112323133313332212113
<<
C2221333133313331311233132313331333133313331321123231333133322121133
>>
C2221333133313331311233132313331333133313331321123231333133322121132
>>