#include <stdio.h>
int main(){
int N;
for (int i = 1;i<= N;i++){
for (int j = 1; j <= N - i; j++)
{
}
for (int k = 1; k <=(2 * i - 1); k++)
{
}
}
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBtYWluKCl7CiAgICBpbnQgTjsKICAgIHNjYW5mKCIlZCIsICZOKTsKICAgIGZvciAoaW50IGkgPSAxO2k8PSBOO2krKyl7CiAgICAgICAgZm9yIChpbnQgaiA9IDE7IGogPD0gTiAtIGk7IGorKykKICAgICAgICB7CiAgICAgICAgICAgIHByaW50ZigiICIpOwogICAgICAgIH0KICAgICAgICBmb3IgKGludCBrID0gMTsgayA8PSgyICogaSAtIDEpOyBrKyspCiAgICAgICAgewogICAgICAgICAgICBwcmludGYoIioiKTsKICAgICAgICB9CiAgICAgICAgcHJpbnRmKCJcbiIpOwogICAgfQp9Cg==