using System;
using System.Linq;
using System.Collections.Generic;

namespace Contest
{
    class Program
    {
        static void Main(string[] args)
        {
            ABC136.F();
        }
        class ABC136
        {
            public static void A()
            {
                var A = Read.Int();
                var B = Read.Int();
                var C = Read.Int();
                Console.WriteLine(Math.Max(0, C - (A - B)));
            }
            public static void B()
            {
                var N = Read.Int();
                int count = 0;
                Func<int, int> keta = x =>
                {
                    int c = 0;
                    while (x > 0)
                    {
                        c++;
                        x /= 10;
                    }
                    return c;
                };
                for (int i = 1; i <= N; ++i)
                {
                    if (keta(i) % 2 == 1) { count++; }
                }
                Console.WriteLine(count);
            }
            public static void C()
            {
                var N = Read.Int();
                var H = Read.IntN();
                var min = H[0] - 1;
                for(int i = 1; i < N; ++i)
                {
                    if (H[i] < min) { Console.WriteLine("No"); return; }
                    if (H[i] > min)
                    {
                        min = H[i] - 1;
                    }
                }
                Console.WriteLine("Yes");
            }
            public static void D()
            {
                var S = Read.Str();
                var N = S.Length;
                int[] count = new int[N];
                var idx = 0;
                for (int i = 0; i < N; ++i)
                {
                    if (S[i] == 'L')
                    {
                        for (int j = idx; j < i; ++j)
                        {
                            if (S[j] == 'R')
                            {
                                if ((i - j) % 2 == 0)
                                {
                                    count[i]++;
                                }
                                else
                                {
                                    count[i - 1]++;
                                }
                            }
                        }
                        idx = i;
                    }
                }
                idx = N - 1;
                for (int i = N - 1; i >= 0; --i)
                {
                    if (S[i] == 'R')
                    {
                        for (int j = idx; j > i; --j)
                        {
                            if (S[j] == 'L')
                            {
                                if ((j - i) % 2 == 0)
                                {
                                    count[i]++;
                                }
                                else
                                {
                                    count[i + 1]++;
                                }
                            }
                        }
                        idx = i;
                    }
                }
                Console.WriteLine(String.Join(" ", count));
            }
            public static void E()
            {
                var N = Read.Int();
                var K = Read.Long();
                var A = Read.LongN();
                foreach(var d in Util.Divisor(A.Sum()).OrderBy(x => -x))
                {
                    var X = A.Select(x => x % d).OrderBy(x => x).ToArray();
                    if (X.Take((int)(N - X.Sum() / d)).Sum() <= K) { Console.WriteLine(d); return; }
                }
            }
            public static void F()
            {
                var N = Read.Int();
                var XY = Read.TupleInt(N).OrderBy(x => x.Item1).ToArray();
                var Y = XY.Select(x => x.Item2).OrderBy(x => x).ToArray();
                var YComp = new Dictionary<int, int>();
                for(int i = 0; i < N; ++i)
                {
                    YComp.Add(Y[i], i + 1);
                }
                var P2 = new MOD[N + 1];
                P2[0] = 0;
                for(int i = 0; i < N; ++i) { P2[i + 1] = P2[i] * 2 + 1; }
                var XLYDs = new int[N];
                {
                    var bitL = new Util.BIT(N);
                    for (int i = 0; i < N; ++i)
                    {
                        var y = YComp[XY[i].Item2];
                        XLYDs[i] = (int)bitL.Sum(y);
                        bitL.Add(y, 1);
                    }
                }
                var XRYDs = new int[N];
                {
                    var bitR = new Util.BIT(N);
                    for (int i = N - 1; i >= 0; --i)
                    {
                        var y = YComp[XY[i].Item2];
                        XRYDs[i] = (int)bitR.Sum(y);
                        bitR.Add(y, 1);
                    }
                }
                MOD total = 0;
                for(int i = 0; i < N; ++i)
                {
                    var XL = i;
                    var XR = N - i - 1;
                    var y = XY[i].Item2;
                    var XLYD = XLYDs[i];
                    var XLYU = XL - XLYD;
                    var XRYD = XRYDs[i];
                    var XRYU = XR - XRYD;
                    var YU = XLYU + XRYU;
                    var YD = XLYD + XRYD;
                    total += P2[N] - P2[XL] - P2[XR] - P2[YU] - P2[YD] + P2[XLYU] + P2[XLYD] + P2[XRYU] + P2[XRYD];
                }
                Console.WriteLine(total.V);
            }
        }



        class Util
        {
            public static HashSet<long> Divisor(long x)
            {
                var div = new HashSet<long>(); for (long p = 1; p * p <= x; ++p) { if (x % p == 0) { div.Add(p); } }
                foreach (var d in div.ToArray())
                {
                    if (!div.Contains(x / d)) { div.Add(x / d); }
                }
                return div;
            }
            public class BIT
            {
                int N; long[] array;
                public BIT(int m) { for (int n = 1; ; n *= 2) { if (n >= m) { N = n; array = new long[N + 1]; break; } } }
                public void Add(int idx, int v) { for (int x = idx; x <= N; x += x & -x) { array[x] += v; } }
                public long Sum(int idx) { long ret = 0; for (int x = idx; x > 0; x -= x & -x) { ret += array[x]; } return ret; }
            }
        }
        struct MOD
        {
            public static long P = 998244353;
            public readonly long V;

            public MOD(long a) { this.V = a; }
            public static implicit operator MOD(long a) { return new MOD(a); }
            public static MOD operator +(MOD a, MOD b) { return new MOD((a.V + b.V) % P); }
            public static MOD operator -(MOD a, MOD b) { return new MOD((a.V - b.V + P) % P); }
            public static MOD operator *(MOD a, MOD b) { return new MOD((a.V * b.V) % P); }
            public static MOD operator /(MOD a, MOD b) { return new MOD((a.V * b.Inverse().V) % P); }
            //public MOD Inverse() { return Util.Inverse(V, P); }
            public MOD Inverse()
            {
                long a = V, p = P;
                long b = p, c = 1, d = 0, e = 0, f = 0;
                while (b != 0)
                {
                    e = a / b;
                    f = b; b = a - e * b; a = f;
                    f = d; d = c - e * d; c = f;
                }
                c %= p;
                return c + (c < 0 ? p : 0);
            }
            //public MOD Power(long n) { return Util.Power(V, n, P); }
            public MOD Power(long n)
            {
                long a = V, p = P;
                long res = 1;
                long mult = a;
                for (int i = 0; i < 40; ++i)
                {
                    if ((n & ((long)1 << i)) > 0)
                    {
                        res = (res * mult) % p;
                    }
                    mult = (mult * mult) % p;
                }
                return res;
            }

            public override string ToString() { return V.ToString(); }
        }


        static class Read
        {
            static Queue<string> queue = new Queue<string>();
            static void Enqueue() { var ss = Console.ReadLine().Split(' '); foreach (var s in ss) { queue.Enqueue(s); } }
            public static int Int() { if (queue.Count == 0) { Enqueue(); } return Convert.ToInt32(queue.Dequeue()); }
            public static long Long() { if (queue.Count == 0) { Enqueue(); } return Convert.ToInt64(queue.Dequeue()); }
            public static string Str() { if (queue.Count == 0) { Enqueue(); } return queue.Dequeue(); }
            public static int[] IntN() { return Console.ReadLine().Split(' ').Select(s => Convert.ToInt32(s)).ToArray(); }
            public static long[] LongN() { return Console.ReadLine().Split(' ').Select(s => Convert.ToInt64(s)).ToArray(); }
            public static string[] StrN() { return Console.ReadLine().Split(' '); }
            public static Tuple<int, int>[] TupleInt(int n) { List<Tuple<int, int>> list = new List<Tuple<int, int>>(); for (int i = 0; i < n; ++i) { var ab = Read.IntN(); list.Add(new Tuple<int, int>(ab[0], ab[1])); } return list.ToArray(); }
            public static Tuple<long, long>[] TupleLong(int n) { List<Tuple<long, long>> list = new List<Tuple<long, long>>(); for (int i = 0; i < n; ++i) { var ab = Read.LongN(); list.Add(new Tuple<long, long>(ab[0], ab[1])); } return list.ToArray(); }
            public static Tuple<string, string>[] TupleStr(int n) { List<Tuple<string, string>> list = new List<Tuple<string, string>>(); for (int i = 0; i < n; ++i) { var ab = Read.StrN(); list.Add(new Tuple<string, string>(ab[0], ab[1])); } return list.ToArray(); }
            public static Tuple<double, double>[] TupleDouble(int n) { List<Tuple<double, double>> list = new List<Tuple<double, double>>(); for (int i = 0; i < n; ++i) { var ab = Read.LongN(); list.Add(new Tuple<double, double>(ab[0], ab[1])); } return list.ToArray(); }
            public static long[,] LongMatrix(int r, int c)
            {
                var mat = new long[r, c];
                for (int i = 0; i < r; ++i)
                {
                    var x = Read.LongN();
                    for (int j = 0; j < c; ++j)
                    {
                        mat[i, j] = x[j];
                    }
                }
                return mat;
            }
            public static Dictionary<int, HashSet<int>> AdjacencyList(int N, int M, bool isDirectional = false)
            {
                Dictionary<int, HashSet<int>> dict = new Dictionary<int, HashSet<int>>();
                for (int i = 0; i <= N; ++i) { dict.Add(i, new HashSet<int>()); }
                for (int i = 0; i < M; ++i)
                {
                    var ab = Read.IntN(); dict[ab[0]].Add(ab[1]);
                    if (!isDirectional) { dict[ab[1]].Add(ab[0]); }
                }
                return dict;
            }
            public static Dictionary<int, Dictionary<int, long>> AdjacencyListWithWeight(int N, int M)
            {
                Dictionary<int, Dictionary<int, long>> dict = new Dictionary<int, Dictionary<int, long>>();
                for (int i = 0; i <= N; ++i)
                {
                    dict.Add(i, new Dictionary<int, long>());
                }
                for (int i = 0; i < M; ++i)
                {
                    var ab = Read.IntN();
                    dict[ab[0]].Add(ab[1], ab[2]);
                    dict[ab[1]].Add(ab[0], ab[2]);
                }
                return dict;
            }
        }
    }
}


Measured memory_bytes: 48520