C222133313331333131123313231333133313331313113313331333131133131211222121
>>
C22213331333133313112331323133313331333131311331333133313113313121122212
<<
C222133313331333131123313231333133313331313113313331333131133131211222123
>>
C222133313331333131123313231333133313331313113313331333131133131211222122
>>