/* @ToDo
0-1 Pattern
1
0 1
0 1 0
1 0 1 0
1 0 1 0 1
*/
#include <iostream>
using namespace std;
int main(){
#ifndef ONLINE_JUDGE
freopen("../asset/input.txt","r",stdin);
freopen("../asset/output.txt","w",stdout);
#endif
// Code here!!
int n; cin>>n;
int sign = 1;
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
cout<<"\t"<<sign;
sign = !sign;
}
cout<<endl;
}
return 0;
}
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