#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

static T[] Range<T>(int n, Func<T> F) => Enumerable.Range(0, n).Select(_ => F()).ToArray();

const int Mod = 998244353;
const int Half = (Mod + 1) / 2;

var n = I<int>();
var k = I<int>();
var bz = new int[k][];
var vz = new int[k];
for (var i = 0; i < k; i++)
{
    var l = I<int>();
    vz[i] = I<int>();
    bz[i] = Range(l, () => I<int>() - 1);
}
var ans = 0L;
for (var bit = 0; bit < 30; bit++)
{
    var dns = 0L;
    var rz = new int[n];
    for (var i = 0; i < k; i++)
    {
        if (!vz[i].OfFlag(bit)) continue;
        foreach (var b in bz[i]) rz[b]++;
    }
    for (var i = 0; i < n; i++)
    {
        if (rz[i] == 0) continue;
        dns++;
    }
    dns = (dns << bit) % Mod;
    dns = dns * Half % Mod;
    ans = (ans + dns) % Mod;
}
Console.WriteLine(ans);

static class BitExtensions
{
    public static int ToFlag(this int i)
    {
        if (i < 0 || 31 <= i) throw new IndexOutOfRangeException();
        return 1 << i;
    }
    public static bool OfFlag(this int value, int i) => (value & ToFlag(i)) > 0;
    public static int WithFlag(this int value, int i, bool f) => f ? (value | ToFlag(i)) : (value & ~ToFlag(i));
}