C2221333133313331311233132313331333132313231311331323133313123131
>>
C222133313331333131123313231333133313231323131133132313331312313
<<
C2221333133313331311233132313331333132313231311331323133313123133
>>
C2221333133313331311233132313331333132313231311331323133313123132
>>