C23221211113313331233133313331312111133133313331211113313133313111121
>>
C2322121111331333123313331333131211113313331333121111331313331311112
<<
C23221211113313331233133313331312111133133313331211113313133313111123
>>
C23221211113313331233133313331312111133133313331211113313133313111122
>>