Ruudukko

n = int(input())
res = [[[] for _ in range(n)] for _ in range(n)]
for i in range(n):
    for j in range(n):
        t = []
        for k in range(i):
            t.append(res[k][j])
        for k in range(j):
            t.append(res[i][k])
        k = 1
        d = True
        while d:
            if k in t:
                k += 1
            else:
                d = False
        res[i][j] = k
for i in res:
    print(" ".join(list(map(str,i))))

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED