C11111333133313232233133313331333133112211331323132313232212121
>>
C1111133313331323223313331333133313311221133132313231323221212
<<
C11111333133313232233133313331333133112211331323132313232212123
>>
C11111333133313232233133313331333133112211331323132313232212122
>>