#include <bits/stdc++.h>
using namespace std;
int main(){
    int t,n,s[10010];
    scanf("%d",&t);cin.get();
    while(t--){
        int num=0,sign1=0,sign2=1,sum[10010];
        scanf("%d",&n);
        if(n<10||n>13){printf("No\n");continue;}
        for(int i=1;i<=n;i++){
            scanf("%d",&s[i]);
            if(s[i]==1){num++;}
            if(s[i]<1){sign1=1;}
        }
        if(num<2){printf("No\n");continue;}
        if(sign1){printf("No\n");continue;}
        sort(s+1,s+n+1);
        for(int i=2;i<=n;i++){
            sum[i]=abs(s[i]-s[i-1]);
            if(i==n){sum[i]=1;}
            if(sum[i]>2){printf("No\n");sign2=0;break;}
        }
        if(sign2){printf("Yes\n");}
    }
    return 0;
}