#include<bits/stdc++.h>
using namespace std;
const int inf=100005;
int n,t,k,a[inf],r,max1=-1,min1=1000000000;
inline int read()
{
	char ch;
	int a=0;
	ch=getchar();
	while(!('0'<=ch&&'9'>=ch))ch=getchar();
	while('0'<=ch&&'9'>=ch)
	a=a*10+ch-'0',
	ch=getchar();
	return a;
}
inline void out(int x)
{
	if(x>=10)out(x/10);
	putchar(x%10+'0');
}
int ghb()
{
	freopen("port.in","r",stdin);
	freopen("port.out","w",stdout);
	n=read();
	for(int i=1;i<=n;i++)
	{
		int ans=0;
		t=read(),k=read();
		for(int j=1;j<=k;j++)
		r=read(),
		a[r]=t,
		max1=max(max1,r),
		min1=min(min1,r);
		int begin=t-86400;
		if(begin<0)begin=1;
		for(int u=min1;u<=max1;u++)
		if(a[u]>=begin)ans++;
		out(ans);
	}
	return 0;
}
int main(){;}
int xiaoliumang=ghb();