#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    int N,T,i,j,k;
    ifstream in("cifra.in");
    ofstream out("cifra.out");
    in>>T;
    for(i=1;i<=T;i++)
    {
        in>>N;
        for(j=1;j<=N;j++)
        {
            T=0;
            for(k=1;k<=i;k++)
            {
                T=T+j*j;
            }
            out<<T%10<<endl;

        }

    }
}