C23221211113313331233133313331312111112111133313331333133313111121111
>>
C2322121111331333123313331333131211111211113331333133313331311112111
<<
C23221211113313331233133313331312111112111133313331333133313111121113
>>
C23221211113313331233133313331312111112111133313331333133313111121112
>>