// need
#include <iostream>
#include <algorithm>
// data structure
#include <bitset>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <complex>
//#include <deque>
#include <valarray>
#include <unordered_map>
#include <unordered_set>
#include <array>
// etc
#include <cassert>
#include <cmath>
#include <functional>
#include <iomanip>
#include <chrono>
#include <random>
#include <numeric>

// input
#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }
template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest& ...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }
#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int w_=0; w_<n; ++w_){MACRO_VEC_ROW_Scan(w_, __VA_ARGS__);}
template<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest& ...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }
template<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest& ...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& R:c)for(auto& w:R)std::cin>>w;
// output
#define OUT(dist) std::cout<<(dist);
#define FOUT(n, dist) std::cout<<std::fixed<<std::setprecision(n)<<(dist);
#define SOUT(n, c, dist) std::cout<<std::setw(n)<<std::setfill(c)<<(dist);
#define SP std::cout<<" ";
#define TAB std::cout<<"\t";
#define BR std::cout<<"\n";
#define SPBR(w, n) std::cout<<(w + 1 == n ? '\n' : ' ');
#define ENDL std::cout<<std::endl;
#define FLUSH std::cout<<std::flush;
#define SHOW(dist) {std::cerr << #dist << "\t:" << (dist) << "\n";}
#define SHOWVECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOWVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << " ";}std::cerr << "\n";}}
#define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.front() << " ";tmp.pop();}std::cerr << "\n";}
#define SHOWSTACK(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.top() << " ";tmp.pop();}std::cerr << "\n";}
// utility
#define ALL(a) (a).begin(),(a).end()
#define FOR(w, a, n) for(int w=(a);w<(n);++w)
#define RFOR(w, a, n) for(int w=(n)-1;w>=(a);--w)
#define REP(w, n) for(int w=0;w<int(n);++w)
#define RREP(w, n) for(int w=int(n)-1;w>=0;--w)
#define IN(a, x, b) (a<=x && x<b)
template<class T> inline T CHMAX(T & a, const T b) { return a = (a < b) ? b : a; }
template<class T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }
// test
template<class T> using V = std::vector<T>;
template<class T> using VV = V<V<T>>;

template<typename S, typename T>
std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {
	os << "(" << p.first << ", " << p.second << ")"; return os;
}

#define random_shuffle "USE std::shuffle!";

// type/const
#define int ll
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using PAIR = std::pair<int, int>;
using PAIRLL = std::pair<ll, ll>;
constexpr int INFINT = (1 << 30) - 1;                    // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;              // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60;                          // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62);  // 9.22x10^18
constexpr double EPS = 1e-10;
constexpr int MOD = 998244353;
constexpr double PI = 3.141592653589793238462643383279;
template<class T, size_t N> void FILL(T(&a)[N], const T & val) { for (auto& x : a) x = val; }
template<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T & val) { for (auto& b : a) FILL(b, val); }
template<class T> void FILL(std::vector<T> & a, const T & val) { for (auto& x : a) x = val; }
template<class ARY, class T> void FILL(std::vector<std::vector<ARY>> & a, const T & val) { for (auto& b : a) FILL(b, val); }
// ------------>8------------------------------------->8------------

struct BIT {
	int N;
	using TYPE = int;
	std::vector<TYPE> bit;
	BIT() : N(0) {}
	BIT(int n) : N(n), bit(N + 1, 0) {}
	BIT(int n, TYPE init) : N(n), bit(N + 1, init) {}

	// bit[i] += w;
	void add(int i, TYPE w) {
		for (int x = ++i; x <= N; x += x & -x) bit[x] += w;
	}
	// return sum [0, i);
	TYPE sum(int i) {
		TYPE res = 0;
		for (int x = i; x > 0; x -= x & -x) res += bit[x];
		return res;
	}
	// return sum [i, j);
	TYPE sum(int i, int j) {
		return sum(j) - sum(i);
	}
	const TYPE& operator[](const int& i) const {
		return bit[i];
	}
};

int p2[200005];

signed main() {
	INIT;

	VAR(int, n);
	VEC_ROW(int, n, x, y);

	p2[0] = 1;
	REP(i, 200004) p2[i + 1] = p2[i] * 2 % MOD;

	int ans = n * (p2[n] - 1);

	{
		std::map<int, int> map;
		REP(i, n) map[x[i]];
		int t = 0;
		for (auto& p : map) p.second = t++;
		REP(i, n) x[i] = map[x[i]];
	}
	V<int> inv(n);
	{
		std::map<int, int> map;
		REP(i, n) map[y[i]];
		int t = 0;
		for (auto& p : map) p.second = t++;
		REP(i, n) {
			y[i] = map[y[i]];
			inv[y[i]] = i;
		}
	}

	REP(i, n) {
		const int L = x[i];
		const int R = n - 1 - L;
		const int D = y[i];
		const int U = n - 1 - D;

		(ans -= p2[L]) %= MOD;
		(ans -= p2[R]) %= MOD;
		(ans -= p2[D]) %= MOD;
		(ans -= p2[U]) %= MOD;
	}

	{
		BIT bit(n);
		REP(i, n) {
			int id = inv[i];
			(ans += p2[bit.sum(x[id])]) %= MOD;
			(ans += p2[bit.sum(x[id] + 1, n)]) %= MOD;
			bit.add(x[id], 1);
		}
	}
	{
		BIT bit(n);
		RREP(i, n) {
			int id = inv[i];
			(ans += p2[bit.sum(x[id])]) %= MOD;
			(ans += p2[bit.sum(x[id] + 1, n)]) %= MOD;
			bit.add(x[id], 1);
		}
	}
	if (ans < 0) ans += MOD;
	OUT(ans)BR;

	return 0;
}

Measured memory_bytes: 19072