- def s(n,p=__import__("itertools").permutations): 
-  l=["_"]*21 
-  for e in[[(a,x+10),(b,y+10),(c,10-z)]for a,b,c in p(n,3)for x,y in p(range(1,11),2)for z in range(1,11)if a*x+b*y==c*z][0]:l[e[1]]=str(e[0]) 
-  return`l`[2::5]+"\n"+" "*10+"^" 
-   
- ip = [ 
- 	(1,1,1), 
- 	(1,2,1), 
-     (3,1,5), 
-     (4,7,2) 
- ] 
- for e in ip: 
-  print e 
-  print s(e) 
-   
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