import java.util.*;
class Q1
{
public static void main
(String args
[]) {
Scanner d
=new Scanner
(System.
in); int i,n,t,x,j;
t=d.nextInt();
for(i=0;i<t;i++)
{
n=d.nextInt();
long pro=1L;
x=d.nextInt();
for(j=n-x+1;j<=n;j++)
{
pro=pro*j;
pro=pro%1000000007;
}
}
}
}
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