C111112111133131121133133313331333133313123221211111331123233231
>>
C11111211113313112113313331333133313331312322121111133112323323
<<
C111112111133131121133133313331333133313123221211111331123233233
>>
C111112111133131121133133313331333133313123221211111331123233232
>>