C2221333133313331311233132313331333133313331321123231333133311221123132131
>>
C222133313331333131123313231333133313331333132112323133313331122112313213
<<
C2221333133313331311233132313331333133313331321123231333133311221123132133
>>
C2221333133313331311233132313331333133313331321123231333133311221123132132
>>