import sys
readline=sys.stdin.readline

N=int(readline())
ans_lst=[[None]*N for i in range(N)]
n=1
for i in range(N//2):
    for j in range(N//2-1,-1,-1) if i%2 else range(N//2):
        ans_lst[i][j]=n
        n+=1
        ans_lst[i+N//2][j+N//2]=n
        n+=1
for i in range(N//2):
    for j in range(N//2-1,-1,-1) if i%2 else range(N//2):
        ans_lst[i][j+N//2]=n
        n+=1
        ans_lst[i+N//2][j]=n
        n+=1
for ans in ans_lst:
    print(*ans)