import sys
input = sys.stdin.readline

N=int(input())

ANS=[[-1]*N for i in range(N)]

for i in range(N):
    for j in range(N):
        ANS[i][j]=i+1

ANS2=[[-1]*N for i in range(N)]

for i in range(N):
    for j in range(N):
        ANS2[i][j]=j+1

for i in range(N):
    for j in range(N):
        if i<j and (i+j)%2==0:
            ANS[i][j],ANS[j][i]=ANS[j][i],ANS[i][j]
            ANS2[i][j],ANS2[j][i]=ANS2[j][i],ANS2[i][j]

for ans in ANS:
    print(*ans)

for ans in ANS2:
    print(*ans)