C. Playing With Cards

#include <bits/stdc++.h>
using namespace std;
#define cin(v) for (auto &i : v) cin >> i;
#define cout(v) for (auto &i : v) cout << i << " "; cout<<'\n';
#define ll long long
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define MOD 1000000007
#define Ceil(a,b) a / b + (a % b != 0)
#define Time cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " Secs"<< "\n";

void Warding()
{
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
#endif
}

/*
STOP USING int
*/


void solve(){
    ll n, k; cin>>n>>k;
    vector<ll> v(n); cin(v);
    ll times = ((n + 1) / 2), cycles = k / (times), change = k % times;
    bool flip = (cycles & 1);
    for(int i=0; i<Ceil(n,2); i++){
        if(i < change){
            if(!flip)
            swap(v[i],v[n - i - 1]);
        }else if(flip){
            swap(v[i], v[n - i - 1]);
        }
    }
    cout(v);
}

int main()
{
    Warding();
    int TC = 1;
    cin >> TC;
    while (TC--)
    {
        solve();
    }
    Time
}