C11112331312111112111133133313331333133313331333112211232322121
>>
C1111233131211111211113313331333133313331333133311221123232212
<<
C11112331312111112111133133313331333133313331333112211232322123
>>
C11112331312111112111133133313331333133313331333112211232322122
>>