C2221333133313331311233132313331333133313331311233133313311211113313123232131
>>
C222133313331333131123313231333133313331333131123313331331121111331312323213
<<
C2221333133313331311233132313331333133313331311233133313311211113313123232133
>>
C2221333133313331311233132313331333133313331311233133313311211113313123232132
>>