Ruudukko

lkm = int(input())

up = {}
for i in range(1, lkm+1):
    up[i] = []

for rivi in range(1, lkm+1):
    #print("RIVI ON", rivi)
    vasen = []
    for sarake in range(1, lkm+1):
        #print("SARAKE ON", sarake)
        for kokeilu in range(1, 1000):
            #print("KOKEILLAAN", kokeilu)
            if kokeilu not in vasen and kokeilu not in up[sarake]:
                vasen.append(kokeilu)
                up[sarake].append(kokeilu)
                print(kokeilu, end = " ")
                break
    print("")
    vasen = []



#Kommentoi pois
#k = input()

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED