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  1. c=0
  2. for i in range(1,10):
  3. 	for j in range(1,10):
  4. 		for k in range(1,10):
  5. 			for l in range(1,10):
  6. 				if i!=j and i!=k and i!=l and j!=k and j!=l and k!=l:
  7. 					if (i+j)*1000+(j+k)*100+(k+l)*10+(l+i)==(l+k)*1000+(k+j)*100+(j+i)*10+(i+l):
  8. 						c+=1
  9. print c
  10.  
Success #stdin #stdout 0.02s 9016KB
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https://ideone.com/o2b954
language:
Python (cpython 2.7.16)
created:
9 years ago
visibility:
secret

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