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import numpy as np
n = 100
matrix = np.zeros((n, n), dtype=int)
for i in range(n):
    if i % 2 == 1:
        matrix[i, :] = 1
        matrix[i, 0] = 0
    elif i > 0:
        matrix[i, -1] = 1
    matrix[0,0] = 1
for row in matrix:
    print("".join(map(str, row)))