C31321211111333132331211113313331333133313121211113311213233121
>>
C3132121111133313233121111331333133313331312121111331121323312
<<
C31321211111333132331211113313331333133313121211113311213233123
>>
C31321211111333132331211113313331333133313121211113311213233122
>>