C1111233131211111211113313331333133313221211113313331333133313311231223121
>>
C111123313121111121111331333133313331322121111331333133313331331123122312
<<
C1111233131211111211113313331333133313221211113313331333133313311231223123
>>
C1111233131211111211113313331333133313221211113313331333133313311231223122
>>