#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;

#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);

template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>;

constexpr long long MOD = (long long)1e9 + 7;
constexpr long long MOD2 = 998244353;
constexpr long long HIGHINF = (long long)1e18;
constexpr long long LOWINF = (long long)1e15;
constexpr long double PI = 3.1415926535897932384626433;

template <class T> vector<T> make_v(size_t N,T init){return vector<T>(N,init);}
template <class... T> auto make_v(size_t N,T... t){return vector<decltype(make_v(t...))>(N,make_v(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
template <template <class tmp>  class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max(a,b);}
template <class T> void chmin(T& a, const T b){a=min(a,b);}
void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;}



template<class T> class Segment_Tree_Range_Sum_Query {
	size_t N,M;
	T ini;
	vector<T> node;

public:
	Segment_Tree_Range_Sum_Query(const vector<T> & ar, const T ini) : M(ar.size()), ini(ini) {
		for (N = 1; N < M; N *= 2);
		node.resize(2 * N - 1, ini);
		for (int i = 0; i < M; ++i) node[i + N - 1] = ar[i];
		for (int i = N - 2; i >= 0; --i) node[i] = node[2 * i + 1]+node[2 * i + 2];
	}
 
	Segment_Tree_Range_Sum_Query(const size_t M, const T ini) : M(M), ini(ini) {
		for (N = 1; N < M; N *= 2);
		node.resize(2 * N - 1, ini);
	}
	
	void update(size_t idx, const T var) {
		idx += (N - 1);
		node[idx] += var;
		while (idx > 0) {
			idx = (idx - 1) / 2;
			node[idx] = node[2 * idx + 1]+node[2 * idx + 2];
		}
	}
 
	T getvar(const int a, const int b, int k = 0, int l = 0, int r = -1) {
		if (r < 0) r = N;
		if (r <= a || b <= l) return ini;
		if (a <= l && r <= b) return node[k];
		T vl = getvar(a, b, 2 * k + 1, l, (l + r) / 2);
		T vr = getvar(a, b, 2 * k + 2, (l + r) / 2, r);
		return vl+vr;
	}
	
	T operator[](size_t idx) {
		return node[idx + N - 1];
	}

	T operator[](pair<size_t, size_t> p) {
		return getvar(p.first, p.second);
	}

 
	void print(){
		cout << "{ " << getvar(0,1);
		for(int i = 1; i < M; ++i) cout << ", " << getvar(i,i+1);
		cout << " }" << endl;
	}
};

//Seat Pressure O(NlogN)
template<class T> vector<int> Zarts(const vector<T> & ar, int cnt = 0) {
    vector<int> res;
    map<T, int> mp;
    for (auto &e : ar) mp[e] = 0;
    for (auto &e : mp) e.second = cnt++;
    for (auto &e : ar) res.push_back(mp[e]);
    return res;
}

int main() {
    int N; cin >> N;
    vector<int> s(N),t(N),x(N),y(N),idx(N);
    for(int i = 0; i < N; ++i) cin >> s[i] >> t[i];
    x = Zarts(s);
    y = Zarts(t);
    Segment_Tree_Range_Sum_Query<ll> Seg(N,0); 
    vector<vector<ll>> cnt(N,vector<ll>(4,0));
    iota(ALL(idx),0);
    sort(ALL(idx),[&](int l,int r){return y[l]<y[r];});
    vector<ll> pow2(N,1);
    for(int i = 1; i < N; ++i) pow2[i] = (pow2[i-1]*2LL) % MOD2;
    for(auto i:idx) {
        cnt[i][3] = Seg.getvar(x[i]+1,N);
        cnt[i][2] = Seg.getvar(0,x[i]);
        cnt[i][1] = x[i] - cnt[i][2];
        cnt[i][0] = N-1 - x[i] - cnt[i][3];
        for(int j = 0; j < 4; ++j) cnt[i][j] = (pow2[cnt[i][j]] - 1 + MOD2) %MOD2;
        Seg.update(x[i],1);
    }
    ll ans = N;
    for(auto c:cnt) {
        for(int i = 0; i < 4; ++i) (ans += c[i]) %= MOD2;
        for(int i = 0; i < 4; ++i) (ans += (c[i]*c[(i+1)%4])%MOD2 ) %= MOD2;
        for(int i = 0; i < 2; ++i) (ans += (2LL*(c[i]*c[(i+2)%4])%MOD2) %MOD2 ) %= MOD2;
        for(int i = 0; i < 4; ++i) (ans += ( ((2LL*c[i])%MOD2) * ((c[(i+1)%4]*c[(i+2)%4])%MOD2) )%MOD2) %= MOD2;
        (ans += (2LL*( ((c[0]*c[1])%MOD2) * ((c[2]*c[3])%MOD2) )%MOD2 )%MOD2 ) %= MOD2;
    }
    cout << ans << endl;

	return 0;
}


Measured memory_bytes: 23896