#include <bits/stdc++.h>
#define mk make_pair
#define fs first
#define sc second
using namespace std;
typedef long long ll;
typedef long double ld;

int main(){
  int t;
  cin>>t ;
  ll r, R;
  while(t--){
    cin>>R>>r;
    if(R*R > 2ll*r*r){
      cout<<1<<endl;
    }
    else{
      cout<<2<<endl;
    }
  }
  return 0;
}