C3123223313331322121111331333133313331311331133133313331333133112111111222121
>>
C312322331333132212111133133313331333131133113313331333133313311211111122212
<<
C3123223313331322121111331333133313331311331133133313331333133112111111222123
>>
C3123223313331322121111331333133313331311331133133313331333133112111111222122
>>