七星不靠-研发

import java.util.*;

public class Main{
 public static void main(String []args){
        Scanner s=new Scanner(System.in);
        int len=s.nextInt();
        s.nextLine();

        String inNumber;
        Map<Character, ArrayList<Integer>> map=new HashMap<>();
        int i=0;
      
        while(i<len){
              String uu=s.nextLine();
            boolean chufuFlag=false;
            String[]hang=uu.split(" ");
            for(int j=0;j<hang.length;j++){
                inNumber=hang[j];
                if(inNumber.length()!=2){
                    chufuFlag=true;
                }
                if(!chufuFlag){
                    if(!map.containsKey(inNumber.charAt(1))){
                        map.put(inNumber.charAt(1),new ArrayList<>());
                    }
                    if(map.get(inNumber.charAt(1)).contains(Integer.parseInt(String.valueOf(inNumber.charAt(0))))){
                        chufuFlag=true;
                    }
                    map.get(inNumber.charAt(1)).add(Integer.parseInt(String.valueOf(inNumber.charAt(0))));
                }
            }
            i++;
            if(!chufuFlag){
                assertTrue(map);
            }else{
                System.out.println("NO");
            }
            map.clear();
        }
    }

    private static void assertTrue(Map<Character,ArrayList<Integer>> map){
        if(map.size()>3) {
            System.out.println("NO");
            return;
        }
        for(Map.Entry<Character,ArrayList<Integer>>entry:map.entrySet()){
            int count=0,flag=0;
            boolean flagRe=false;
            for(Integer num:entry.getValue()){
                if(count==0){
                    flag=num%3;
                }else{
                    if((num%3)!=flag){
                        System.out.println("NO");
                        return;
                    }
                }
                count++;
            }

        }
        System.out.println("YES");
    }