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f=(s,n=8)=>n?[s.flatMap(t=>t.join``||[]),...f([...Array(L=(s+0).length)].map((_,y,p)=>p.map((_,x)=>(s[y+x-L>>1]||0)[(x-y)/2])),n-1)]:[]
Try it online!
Slow. Complexity O(n^256) Proof that the rotation work Fast run
Slow. Complexity O(n^256) Proof that the rotation work
f=(s,n=8)=>n?[s.flatMap(t=>t.join``||[]),...f([...Array(L=(s+0).length+8length)].map((_,y,p)=>p.map((_,x)=>(s[y+x-L>>1]||0)[(x-y)/2])),n-1)]:[]
Try it online!Try it online!
f=(s,n=8)=>n?[s.flatMap(t=>t.join``||[]),...f([...Array(L=(s+0).length+8)].map((_,y,p)=>p.map((_,x)=>(s[y+x-L>>1]||0)[(x-y)/2])),n-1)]:[]
