#include <iostream>
int main() {
int i, m=12,x=0;
for(i=0; i<m-(2*i); 2*i++)
{m=m+1;
x++;
std::cout<< i;
std::cout<< " "<< m-(2*i) << " ";
std::cout<< " "<< m <<"\n";
}
std::cout<< x;
std::cout<< m;
}
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