C1111233131211111211113313331333133313232321333133313331311233132313221211
>>
C111123313121111121111331333133313331323232133313331333131123313231322121
<<
C1111233131211111211113313331333133313232321333133313331311233132313221213
>>
C1111233131211111211113313331333133313232321333133313331311233132313221212
>>