//https://qoj.ac/submission/51526
#include<iostream>
using namespace std;
inline int f(){char res;cin>>res;if(res=='R') return 2;return res=='B';}
int T,a,b,c,cnt[3],v,v_;
int main(){
	for(cin>>T;T--;cnt[0]=cnt[1]=cnt[2]=v=v_=0){
		cin>>a>>b>>c;
		if(a+b>=43&&a+c>=43&&b+c>=43)
			for(int n=100,x;n--;) if(x=f()) cout<<"PLACE "<<x<<endl;else cout<<"DISCARD"<<endl;
		else if(a<20||b<20||c<20) for(int n=100,x;n--;)
			if(19<++cnt[x=f()]) if(v==x+1||!v) v=x+1,cout<<"PLACE 1"<<endl;else cout<<"PLACE 2"<<endl;
			else cout<<"DISCARD"<<endl;
		else for(int n=100,x;n--;){
			if(22<++cnt[x=f()]) if(x+1-v&&x+1-v_) cout<<"EMPTY 1"<<endl,v=x+1;
			if(x+1==v||!v) v=x+1,cout<<"PLACE 1"<<endl;
			else if(x+1==v_||!v_) v_=x+1,cout<<"PLACE 2"<<endl;
			else cout<<"DISCARD"<<endl;
		}
	}
	return 0;
}