C111112111133131121133133313331333133313331323133313331323211123221
>>
C11111211113313112113313331333133313331333132313331333132321112322
<<
C111112111133131121133133313331333133313331323133313331323211123223
>>
C111112111133131121133133313331333133313331323133313331323211123222
>>