C22213331333133313112331323133313331333131112111113331312111211
>>
C2221333133313331311233132313331333133313111211111333131211121
<<
C22213331333133313112331323133313331333131112111113331312111213
>>
C22213331333133313112331323133313331333131112111113331312111212
>>