for i in range(int(input())):
a = int(input())
b = input().split()
print(1," ",a)
#include <iostream>
using namespace std;
int main()
{
const int max_n = 100005;
int arr[max_n];
int t,n;
cin>>t;
while(t--)
{
cin>>n;
for(int i=0;i<n;i++)
{
cin>>arr[n];
}
cout<<1<<" "<<n<<endl;
}
return 0;
}
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