C2221333133313331311233132313331333133313331323121111112222321311
>>
C222133313331333131123313231333133313331333132312111111222232131
<<
C2221333133313331311233132313331333133313331323121111112222321313
>>
C2221333133313331311233132313331333133313331323121111112222321312
>>