C11111333133313232233133313331333133313233213331323221323133313121
>>
C1111133313331323223313331333133313331323321333132322132313331312
<<
C11111333133313232233133313331333133313233213331323221323133313123
>>
C11111333133313232233133313331333133313233213331323221323133313122
>>