C111123313121111121111331333133313331323232133313331333133112213231121
>>
C11112331312111112111133133313331333132323213331333133313311221323112
<<
C111123313121111121111331333133313331323232133313331333133112213231123
>>
C111123313121111121111331333133313331323232133313331333133112213231122
>>