C111112111133131121133133313331333133313331323133313331333133313221311311121
>>
C11111211113313112113313331333133313331333132313331333133313331322131131112
<<
C111112111133131121133133313331333133313331323133313331333133313221311311123
>>
C111112111133131121133133313331333133313331323133313331333133313221311311122
>>