C2221333133313331311233132313331333132313231311331323133313222121
>>
C222133313331333131123313231333133313231323131133132313331322212
<<
C2221333133313331311233132313331333132313231311331323133313222123
>>
C2221333133313331311233132313331333132313231311331323133313222122
>>