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10128.cpp
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10128.cpp
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#include <bits/stdc++.h>
using namespace std;
#define ll long long
bool used[10];
ll li[30][30][30];
vector<ll> temp;
ll l = 1, r = 1;
void brute(ll d){
if(d==14) return;
for(ll i = 1; i <= 13; i++){
if(used[i]) continue;
used[i] = true;
temp.push_back(i);
if(temp.size()>1){
if(temp[temp.size()-2] < i){
++l;
++li[d][l][r];
brute(d+1);
--l;
}
else{
++r;
++li[d][l][r];
brute(d+1);
--r;
}
}
else{
++li[d][l][r];
brute(d+1);
}
used[i] = false;
temp.pop_back();
}
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
brute(1);
ll t; cin >> t;
while(t--){
ll n,a,b; cin >> n >> a >> b;
cout << li[n][a][b] << "\n";
}
return 0;
}