void main()
{
  int z,i,j,n,t,count,time,tem,pre,go;
  char dd='0';
  scanf("%d",&t);
  for(z=0;z<t;z++)
{
	for(;;)
	{
   scanf("%c",&dd);
   if(dd=='\n') break;
    scanf("%d",&go);
	}
  scanf("%d",&n);
  if(n==0) {printf("60\n");continue;} 
  count=0;time=0;tem=0;pre=0;
  for(i=0;i<n;i++)
{
  scanf("%d",&tem);
  pre=time;
  time=tem+3*(i+1);
  if(time<60) count=tem;
 else
{
  if(time>=63) {count=count+60-pre;break;}
  else
{
   count=tem;
  break;  
}
}
}
if(time<=60) count=count+60-time;
printf("%d\n",count);
}
}