N = int(input())
lsHW = [[0]*N for i in range(N)]
for i in range(N//2):
    for j in range(i,N//2):
        lsHW[i][j] = 1
    for j in range(N//2,N):
        lsHW[i][j] = 2
for i in range(N//2,N):
    for j in range(N//2,N):
        lsHW[i][j] = 1
    for j in range(i,N):
        lsHW[i][j] = 2
for i in range(N):
    print(*lsHW[i],sep='')