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):
        if i == 0:
            l[i][j] = j+1
        else:
            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