Ruudukko

n = int(input())
l = [[[] for i in range(n)] for i in range(n)]

for i in range(n):
    for j in range(n):
        t = []
        for k in range(i):
            t.append(l[k][j])
        for k in range(j):
            t.append(l[i][k])
        k = 1
        done = False
        while not done:
            if k in t:
                k += 1
            else:
                done = True
        l[i][j] = k

for i in l:
    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