#ifdef NACHIA
#define _GLIBCXX_DEBUG
#else
#define NDEBUG
#endif
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <queue>
#include <array>
#include <cmath>
#include <atcoder/modint>
using i64 = long long;
using u64 = unsigned long long;
#define rep(i,n) for(i64 i=0; i<(i64)(n); i++)
#define repr(i,n) for(i64 i=(i64)(n)-1; i>=0; i--)
const i64 INF = 1001001001001001001;
const char* yn(bool x){ return x ? "Yes" : "No"; }
template<typename A> void chmin(A& l, const A& r){ if(r < l) l = r; }
template<typename A> void chmax(A& l, const A& r){ if(l < r) l = r; }
template<typename A> using nega_queue = std::priority_queue<A,std::vector<A>,std::greater<A>>;
using Modint = atcoder::static_modint<998244353>;
using namespace std;
#include <atcoder/fenwicktree>

void unit(){
    i64 N; cin >> N;
    vector<i64> A(N); rep(i,N){ cin >> A[i]; A[i]--; }
    auto rq = atcoder::fenwick_tree<i64>(N);
    vector<i64> L, R;
    i64 I = 0;
    rep(i,N){
        i64 a = A[i];
        i64 c = rq.sum(0, a);
        i64 d = i - c;
        bool tofront = c < d;
        if(c == d){
            if(!L.empty()) tofront = L.back() > a;
            else tofront = (R.empty() || R.front() > a);
        }
        (tofront ? L : R).push_back(a);
        I += (tofront ? c : d);
        rq.add(a, 1);
    }
    reverse(L.begin(), L.end());
    copy(R.begin(), R.end(), back_inserter(L));
    cout << I << '\n';
    rep(i,N){
        if(i) cout << ' ';
        cout << (L[i] + 1);
    } cout << '\n';
}

void testcase(){
    i64 T; cin >> T;
    rep(t,T) unit();
}

int main(){
    ios::sync_with_stdio(false); cin.tie(nullptr);
    #ifdef NACHIA
    int T; cin >> T; for(int t=0; t<T; T!=++t?(cout<<'\n'),0:0)
    #endif
    testcase();
    return 0;
}