C2221333133313331311233132313331333133313331323121111133313123312121
>>
C222133313331333131123313231333133313331333132312111113331312331212
<<
C2221333133313331311233132313331333133313331323121111133313123312123
>>
C2221333133313331311233132313331333133313331323121111133313123312122
>>