import sys
lines = sys.stdin.readlines()
n = int(lines[0].strip())
print(n)
matrix = [[0] * n for _ in range(n)]
for i in range(1, n + 1):
line = list(map(int, lines[i].strip().split()))
matrix = [0] * n
for j in line:
matrix[j] = 1
print(" ".join(map(str, matrix)))
aW1wb3J0IHN5cwoKbGluZXMgPSBzeXMuc3RkaW4ucmVhZGxpbmVzKCkKCm4gPSBpbnQobGluZXNbMF0uc3RyaXAoKSkKcHJpbnQobikKbWF0cml4ID0gW1swXSAqIG4gZm9yIF8gaW4gcmFuZ2UobildCgpmb3IgaSBpbiByYW5nZSgxLCBuICsgMSk6ICAKICAgIGxpbmUgPSBsaXN0KG1hcChpbnQsIGxpbmVzW2ldLnN0cmlwKCkuc3BsaXQoKSkpCiAgICBtYXRyaXggPSBbMF0gKiBuIAogICAgZm9yIGogaW4gbGluZToKICAgIAltYXRyaXhbal0gPSAxCiAgICBwcmludCgiICIuam9pbihtYXAoc3RyLCBtYXRyaXgpKSk=