C11111333133313232233133313331333133313332313311211111311212121
>>
C1111133313331323223313331333133313331333231331121111131121212
<<
C11111333133313232233133313331333133313332313311211111311212123
>>
C11111333133313232233133313331333133313332313311211111311212122
>>