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  1. n=5;p=n*n;a=[];x=p+~(n/2);for(i=p;i--;){a[x]=i*2-p+1;x=a[t=(x-1+(x%n?n:2*n))%p]!=null?(x-n+p)%p:t}for(i=n;i--;)print(a.slice(i*n,i*n+n).join(" "))
Success #stdin #stdout 0.01s 4984KB
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-4 10 24 -22 -8
-6 -2 12 16 -20
-18 -14 0 14 18
20 -16 -12 2 6
8 22 -24 -10 4
https://ideone.com/nLfakz
language:
JavaScript (SMonkey 60.2.3)
created:
9 years ago
visibility:
secret

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