mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    # Nは奇数！！！！
    N = int(input())

    A = [[0] * N for _ in range(N)]
    cols = [0] * (N+1)
    for i in range(N):
        for val in range(1, N+1):
            A[i][(val - 1 + i)%N] = val
            if i+1 == val:
                cols[val] = (val - 1 + i)%N

    ans = [[0] * N for _ in range(N)]
    for val in range(1, N+1):
        j = cols[val]
        for i in range(N):
            ans[i][val-1] = A[i][j]
    for i in range(N):
        print(*ans[i])


if __name__ == '__main__':
    main()