#include<iostream>
#include<vector>
#include<queue>
#include<cstring>
#include<cmath>
#include<map>
#include<set>
#include<cstdio>
#include<algorithm>
#define debug(a) cout<<#a<<"="<<a<<endl;
using namespace std;
const int maxn=1e5;
typedef long long LL;
inline LL read()
{
	LL x=0,f=1;char ch=getchar();
	while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
	while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
	return x*f;
}
int main(void)
{
  cin.tie(0);std::ios::sync_with_stdio(false);
  LL t;cin>>t;
  while(t--){
    LL n;cin>>n;
    string A,B;cin>>A>>B;
    LL sum1=0;LL sum2=0;
    for(LL i=0;i<A.size();i++){
        if(A[i]>B[i]) sum1++;
        else if(A[i]<B[i]) sum2++;
    }
    if(sum1>sum2){
        cout<<"RED"<<endl;
    }
    else if(sum1<sum2) cout<<"BLUE"<<endl;
    else{
        cout<<"EQUAL"<<endl;
    }
  }
return 0;
}
