N=int(input())
ans=[[0]*N for i in range(N)]
for i in range(1,N+1):
    for j in range(1,N+1):
        if (2*i-j)%N==0:
            ans[i-1][j-1]=N
        else:
            ans[i-1][j-1]=(2*i-j)%N
for i in ans:
    print(*i)