C2221333133313331311233132313331333133313331322231333132213123131
>>
C222133313331333131123313231333133313331333132223133313221312313
<<
C2221333133313331311233132313331333133313331322231333132213123133
>>
C2221333133313331311233132313331333133313331322231333132213123132
>>