#include<stdio.h>
int main()
{
scanf("%d",&n);
   for(j=0;j<n;j++)//el LOOP el kebeera
   {
       scanf("%d",&m);//3adad el 7ebal
         for(i=0;i<m;i++)
         {
          scanf("%d",&a[i]);
          scanf("%c",&c[i]);
         }

           for(p=0;p<m;p++)
            if(c[p]=='b')
            {
             b[h]=a[p];         //initialize h WITH 0
             h++;
            }
             else
             {
              R[l]=a[p];  //initialize l WITH o
              l++;
             }

   }
  return 0;
}