//@formatter:off
#include<bits/stdc++.h>
#define overload4(_1,_2,_3,_4,name,...) name
#define rep1(i,n) for (ll i = 0; i < ll(n); ++i)
#define rep2(i,s,n) for (ll i = ll(s); i < ll(n); ++i)
#define rep3(i,s,n,d) for(ll i = ll(s); i < ll(n); i+=d)
#define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__)
#define rrep(i,n) for (ll i = ll(n)-1; i >= 0; i--)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define popcount(x) __builtin_popcount(x)
#define pb push_back
#define eb emplace_back
#ifdef __LOCAL
#define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; }
#else
#define debug(...) void(0)
#endif
#define INT(...) int __VA_ARGS__;scan(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__)
#define STR(...) string __VA_ARGS__;scan(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__)
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<int,int>;
using LP = pair<ll,ll>;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vl = vector<ll>;
using vvl = vector<vector<ll>>;
using vd = vector<double>;
using vvd = vector<vector<double>>;
using vs = vector<string>;
using vc = vector<char>;
using vvc = vector<vector<char>>;
using vb = vector<bool>;
using vvb = vector<vector<bool>>;
using vp = vector<P>;
using vvp = vector<vector<P>>;
template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; }
template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; }
template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; }
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; }
template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;}
template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;}
void scan(){}
template <class Head, class... Tail> void scan(Head& head, Tail&... tail){ cin >> head; scan(tail...); }
template<class T> void print(const T& t){ cout << t << '\n'; }
template <class Head, class... Tail> void print(const Head& head, const Tail&... tail){ cout<<head<<' '; print(tail...); }
const string yes[] = {"no","yes"};
const string Yes[] = {"No","Yes"};
const string YES[] = {"NO","YES"};
const int inf = 1001001001;
const ll linf = 1001001001001001001;
//@formatter:on

void solve() {
    auto OK = [&](vi v) {
        if (v[0] == v[1] or v[1] == v[2] or v[2] == v[0]) return false;
        if (v[0] > v[1] and v[2] > v[1]) return true;
        if (v[0] < v[1] and v[2] < v[1]) return true;
        return false;
    };
    INT(n);
    vi a(n);
    cin >> a;
    vb ok(n);
    vi ls;
    vi near;
    rep(i, 1, n - 1) {
        vi v = {a[i - 1], a[i], a[i + 1]};
        ok[i] = OK(v);
        if (!ok[i]) {
            ls.pb(i);
            rep(j, 3) near.pb(i - 1 + j);
        }
    }
    auto check = [&](int x, int y) {
        for (int i : ls) {
            vi v = {a[i - 1], a[i], a[i + 1]};
            if (!OK(v)) return false;
        }
        rep(i, x - 1, x + 2) {
            if (i < 1 or i >= n - 1) continue;
            vi v = {a[i - 1], a[i], a[i + 1]};
            if (!OK(v)) return false;
        }
        rep(i, y - 1, y + 2) {
            if (i < 1 or i >= n - 1) continue;
            vi v = {a[i - 1], a[i], a[i + 1]};
            if (!OK(v)) return false;
        }
        return true;
    };
    if (ls.size() > 6) {
        print(Yes[0]);
        return;
    }
    assert(!ls.empty());
    sort(all(near));
    near.erase(unique(all(near)), near.end());
    int sz = near.size();
    rep(i, sz) {
        int x = near[i];
        rep(y, n) {
            if (x == y) continue;
            swap(a[x], a[y]);
            if (check(x, y)) {
                print(Yes[1]);
                return;
            }
            swap(a[x], a[y]);
        }
    }
    print(Yes[0]);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int t;
    cin >> t;
    rep(i, t) solve();
}