C3132121111133313233121111331333133313113313231323133313232212131
>>
C313212111113331323312111133133313331311331323132313331323221213
<<
C3132121111133313233121111331333133313113313231323133313232212133
>>
C3132121111133313233121111331333133313113313231323133313232212132
>>