C2221333133313331311233132313331333133313131133132313331121133133313232212121
>>
C222133313331333131123313231333133313331313113313231333112113313331323221212
<<
C2221333133313331311233132313331333133313131133132313331121133133313232212123
>>
C2221333133313331311233132313331333133313131133132313331121133133313232212122
>>