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import sys

n = 100

board = [ [1] * n for i in range(n) ]
for i in range(n-1):
    board[0][i] = 0
for j in range(1, n):
    if j % 2 == 0:
        for k in range(1, n):
            board[j][k] = 0
    else:
        board[j][n-1] = 0
for row in board:
    for x in row:
        sys.stdout.write(str(x))
    sys.stdout.write('\n')