Ruudukko

n = int(input())
l = [[[] for i in range(n)] for i in range(n)]
s = []
for i in range(n):
    for j in range(n):
        if i == 0:
            l[i][j] = j+1
            s.append(j+1)
        elif j == 0:
            l[i][j] = l[i-1][j]+1
        else:
            t = s[:]
            for k in range(i):
                try:
                    t.remove(l[k][j])
                except:
                    continue
            for k in range(j):
                try:
                    t.remove(l[i][k])
                except:
                    continue
            l[i][j] = t[0]

for i in l:
    print(" ".join(list(map(str,i))))
            

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    l[i][j...

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    l[i][j...

Test 5

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    l[i][j...

Test 6

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    l[i][j...