N=int(input())

L=[[0 for i in range(N)]for j in range(N)]
L[0][0]=1
for i in range(1,N):
    L[0][i]=(L[0][i-1]+2)%N
    if L[0][i]==0:
        L[0][i]=N
#print(L)
for i in range(1,N):
    for j in range(N):
        L[i][j]=(L[i-1][j]+N-1)%N
        if L[i][j]==0:
            L[i][j]=N
#print(L)
for i in range(N):
    print(*L[i])