C2221333133313331311233132313331333133313331323321111331312321131
>>
C222133313331333131123313231333133313331333132332111133131232113
<<
C2221333133313331311233132313331333133313331323321111331312321133
>>
C2221333133313331311233132313331333133313331323321111331312321132
>>