1304 : 숫자사각형3

n = int(input())

arr = [[0 for i in range(n+1)] for j in range(n+1)]
num=1

for i in range(n):
    for j in range(n):
        arr[j][i]=num
        num+=1

for i in range(n):
    for j in range(n):
        print(arr[i][j],end=' ')
    print()