C2221333133313331311233132313331333133313331321123121111111112131
>>
C222133313331333131123313231333133313331333132112312111111111213
<<
C2221333133313331311233132313331333133313331321123121111111112133
>>
C2221333133313331311233132313331333133313331321123121111111112132
>>