RE

#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll T; 
string a,b;
int main()
{
	cin>>T;
	while(T--)
	{
		cin>>a>>b;
		ll n=0,flag=0;
		ll si=a.size();
		for(ll i=si;i<si*2;i++)
		{
			a[i]=a[i-si];
		}
		for(ll p=0;p<si;p++)
		{
			n=0;
			for(ll i=p;i<si+p;i++)
			{
				if(a[i]==b[n])
				{
					n++;
				}
			}
			if(n==b.size()) 
			{
				cout<<"Y";
				flag=1;
				break;
			}
		}
		if(flag==0)
		{
			cout<<"N";
		}
		cout<<endl;
	}
	return 0;
 }