C11111333133313232233133313331333133313233213331323133313123121
>>
C1111133313331323223313331333133313331323321333132313331312312
<<
C11111333133313232233133313331333133313233213331323133313123123
>>
C11111333133313232233133313331333133313233213331323133313123122
>>