V, D = map(int, input().split())

# Create adjacency matrix
E = [[0 for _ in range(V)] for __ in range(V)]

for i in range(V):
    j = (i + 1) % V
    E[i][j] = 1
    k = (i - 1) % V
    E[i][k] = 1

# Print the matrix
for row in E:
    print(''.join(map(str, row)))