C2221333133313331311233132313331333133313331323312111111331333222121
>>
C222133313331333131123313231333133313331333132331211111133133322212
<<
C2221333133313331311233132313331333133313331323312111111331333222123
>>
C2221333133313331311233132313331333133313331323312111111331333222122
>>