image = [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
for i in range(4):
    for j in range(4):
        if (i+j) == 3:
            image[i][j] = 1

e2ac195797698c1542ef3b9e9cac8ec8d28e0430
<mask token>

<mask token>
for i in range(4):
    for j in range(4):
        if i + j == 3:
            image[i][j] = 1

image = [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
for i in range(4):
    for j in range(4):
        if i + j == 3:
            image[i][j] = 1

image = [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
for i in range(4):
    for j in range(4):
        if (i+j) == 3:
            image[i][j] = 1
