#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)
#define all(c) c.begin(),c.end()
#define pb push_back
#define fs first
#define sc second
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
using namespace std;
template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){
	return o<<"("<<p.fs<<","<<p.sc<<")";
}
template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){
	o<<"{";
	for(const T& v:vc) o<<v<<",";
	o<<"}";
	return o;
}
using ll = long long;
template<class T> using V = vector<T>;
template<class T> using VV = vector<vector<T>>;
constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); }

#ifdef LOCAL
#define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl
#else
#define show(x) true
#endif
template<unsigned int mod_>
struct ModInt{
	using uint = unsigned int;
	using ll = long long;
	using ull = unsigned long long;

	constexpr static uint mod = mod_;

	uint v;
	ModInt():v(0){}
	ModInt(ll _v):v(normS(_v%mod+mod)){}
	explicit operator bool() const {return v!=0;}
	static uint normS(const uint &x){return (x<mod)?x:x-mod;}		// [0 , 2*mod-1] -> [0 , mod-1]
	static ModInt make(const uint &x){ModInt m; m.v=x; return m;}
	ModInt operator+(const ModInt& b) const { return make(normS(v+b.v));}
	ModInt operator-(const ModInt& b) const { return make(normS(v+mod-b.v));}
	ModInt operator-() const { return make(normS(mod-v)); }
	ModInt operator*(const ModInt& b) const { return make((ull)v*b.v%mod);}
	ModInt operator/(const ModInt& b) const { return *this*b.inv();}
	ModInt& operator+=(const ModInt& b){ return *this=*this+b;}
	ModInt& operator-=(const ModInt& b){ return *this=*this-b;}
	ModInt& operator*=(const ModInt& b){ return *this=*this*b;}
	ModInt& operator/=(const ModInt& b){ return *this=*this/b;}
	ModInt& operator++(int){ return *this=*this+1;}
	ModInt& operator--(int){ return *this=*this-1;}
	ll extgcd(ll a,ll b,ll &x,ll &y) const{
		ll p[]={a,1,0},q[]={b,0,1};
		while(*q){
			ll t=*p/ *q;
			rep(i,3) swap(p[i]-=t*q[i],q[i]);
		}
		if(p[0]<0) rep(i,3) p[i]=-p[i];
		x=p[1],y=p[2];
		return p[0];
	}
	ModInt inv() const {
		ll x,y;
		extgcd(v,mod,x,y);
		return make(normS(x+mod));
	}
	ModInt pow(ll p) const {
		if(p<0) return inv().pow(-p);
		ModInt a = 1;
		ModInt x = *this;
		while(p){
			if(p&1) a *= x;
			x *= x;
			p >>= 1;
		}
		return a;
	}
	bool operator==(const ModInt& b) const { return v==b.v;}
	bool operator!=(const ModInt& b) const { return v!=b.v;}
	friend istream& operator>>(istream &o,ModInt& x){
		ll tmp;
		o>>tmp;
		x=ModInt(tmp);
		return o;
	}
	friend ostream& operator<<(ostream &o,const ModInt& x){ return o<<x.v;}
};
using mint = ModInt<998244353>;
struct BIT{
	using D = int;
	int N;
	vector<D> bit;
	BIT(int n){		//nは区間幅!!!
		N=n;
		bit.assign(n+1,0);
	}
	BIT(){}
	void init(int n){
		N=n;
		bit.assign(n+1,0);
	}
	D sum(int i){		//i個の和a[0]+..a[i-1]
		D s=0;
		while(i>0){
			s+=bit[i];
			i-=(i&-i);
		}
		return s;
	}
	D val(int i){	//return a[i]	(0-ind)
		return sum(i+1)-sum(i);
	}
	void add(int i,D x){	//a[i]+=x (0-indexed)
		i++;
		while(i<=N){
			bit[i]+=x;
			i+=(i&-i);
		}
	}
	void assign(int i,D x){	//a[i]=x
		add(i,x-val(i));
	}
};
int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);		//DON'T USE scanf/printf/puts !!
	cout << fixed << setprecision(20);
	
	int N; cin >> N;
	V<int> x(N),y(N);
	{
		rep(i,N) cin >> x[i] >> y[i];
		V<int> xs=x,ys=y;
		sort(all(xs));sort(all(ys));
		rep(i,N) x[i] = lower_bound(all(xs),x[i]) - xs.begin();
		rep(i,N) y[i] = lower_bound(all(ys),y[i]) - ys.begin();
	}
	mint ans = mint(2).pow(N) * N - N;
	rep(i,N) ans -= mint(2).pow(i) * 4;
	rep(_,4){
		using P = pair<int,int>;
		V<P> p(N); rep(i,N) p[i] = P(x[i],y[i]);
		sort(all(p));
		BIT bit(N);
		rep(i,N){
			int n = bit.sum(p[i].sc);
			ans += mint(2).pow(n);
			bit.add(p[i].sc,1);
		}
		{
			swap(x,y);
			rep(i,N) y[i] = N-1-y[i];
		}
	}
	cout << ans << endl;
}


Measured memory_bytes: 4200