C222133313331333131123313231333133313331333131123313121111121111133313332211
>>
C22213331333133313112331323133313331333133313112331312111112111113331333221
<<
C222133313331333131123313231333133313331333131123313121111121111133313332213
>>
C222133313331333131123313231333133313331333131123313121111121111133313332212
>>