C2221333133313331311233132313331333133313331323321111131111312121
>>
C222133313331333131123313231333133313331333132332111113111131212
<<
C2221333133313331311233132313331333133313331323321111131111312123
>>
C2221333133313331311233132313331333133313331323321111131111312122
>>