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#include <bits/stdc++.h>
using namespace std;
int main()
{
int i, j, flag, k;
long long n, m, t;
string str,s;
while (cin >> n && n != 0)
{
int a[20][20];
a[0][0] = 1;
a[1][0] = 1;
a[1][1] = 1;
cout << "1" << endl;
if (n > 1)
{
cout << "1 1" << endl;
for (i = 2; i < n; i++)
{
a[i][0] = 1;
&...
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