#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
const int N=1e5+5;
const int INF=1e9+7;
int n;
vector <int> a,b;
map <vector <int>,int> dp[10];
int rec(int d,vector <int> v){
if(v==b) return d;
if(d==n) return INF;
if(dp[d].find(v)!=dp[d].end()) return dp[d][v];
int res=INF;
for(int i=0;i<n-1;i++){
reverse(v.begin()+i,v.end());
res=min(res,rec(d+1,v));
reverse(v.begin()+i,v.end());
}
return dp[d][v]=res;
}
void slove(){
a.clear();
b.clear();
for(int i=0;i<10;i++) dp[i].clear();
cin >> n;
for(int i=1;i<=n;i++){
int x;
cin >> x;
a.push_back(x);
b.push_back(x);
}
sort(b.begin(),b.end(),greater <int>());
cout << rec(0,a) << "\n";
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int tc;
cin >> tc;
while(tc--) slove();
}
