C2221333133313331311233132313331333133313331323312111111312112121
>>
C222133313331333131123313231333133313331333132331211111131211212
<<
C2221333133313331311233132313331333133313331323312111111312112123
>>
C2221333133313331311233132313331333133313331323312111111312112122
>>