
int main()
{
	int n,i,j,time[100],fail[100][20],m[100],sum=0;
	scanf("%d",&n);
	
	for(i=0;i<n;i++){
		scanf("%d",&m[i]);
		if (m[i]!=0){

			for(j=0;j<m[i];j++){
				scanf("%d",&fail[i][j]);
			}
		}
		else continue;
		
		
	}
	for(i=0;i<n;i++){
		for(j=0;j<100;j++){
			time[j]=1;
		}
		if(m[i]!=0){

			for (j=0;j<m[i];j++){
				time[fail[i][j]+j*3]=time[fail[i][j]+1+j*3]=time[fail[i][j]+2+j*3]=0;
			}
		
	
			sum=0;
			for(j=0;j<60;j++){
			
				sum+=time[j];
				
			}
			printf("%d\n",sum);
		}
		else{
			printf("60\n");
		}

	}
	return 0;
}
