C222133313331333131123313231333133313331313113313112211232233121
>>
C22213331333133313112331323133313331333131311331311221123223312
<<
C222133313331333131123313231333133313331313113313112211232233123
>>
C222133313331333131123313231333133313331313113313112211232233122
>>