C2221333133313331311233132313331333133313331323121111121123121131
>>
C222133313331333131123313231333133313331333132312111112112312113
<<
C2221333133313331311233132313331333133313331323121111121123121133
>>
C2221333133313331311233132313331333133313331323121111121123121132
>>