C11112331312111112111133133313331333133313113233231333133313331311222233121
>>
C1111233131211111211113313331333133313331311323323133313331333131122223312
<<
C11112331312111112111133133313331333133313113233231333133313331311222233123
>>
C11112331312111112111133133313331333133313113233231333133313331311222233122
>>