#include <iostream>
#include <stdio.h>

using namespace std;

int n,l,i,j,v[10010],x[10010],ll,ok;

int fa()
{
    i=1;
    while (i<=ll)
    {

    }

}

int main()
{
    freopen("perle.in","r",stdin);
    freopen("perle.out","w",stdout);

    scanf("%d",&n);

    for (l=1;l<=n;l++)
    {
        ok=1;
        scanf("%d",&ll);
        for (i=1;i<=ll;i++)
        scanf("%d",&v[i]);
        if (v[1]==1)
        {
            if (ll==1 )
            {
                printf("1\n");
                ok=0;
            }
            if(v[3]==3) x[1]=5;
            if (v[2]==2) x[1]=6;
        }
        if (v[1]==2)
        if (ok==1)
        fa();
    }


    return 0;
}