Ruudukko

n = input()


grid = [[0 for i in range(n)]for i in range(n)]

def getNum(grid, x, y):
   number = 0
   while True:
      number+=1
      checker = 0
      for row in grid:
         if row[y] == number:
            checker += 1
            break
      for item in grid[x]:
         if item == number:
            checker += 1
            break
      if checker == 0:
         break
   return number

for x in range(n):
   for y in range(n):
      grid[x][y] = getNum(grid, x, y)


for row in grid:
   for i in row:
      print i,
   print

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED