#include<iostream>
#include<cstdio>
using namespace std;
 
int main()
 { 
     int t,n;
     scanf("%d",&t);
     while(t>0)
      {
          scanf("%d",&n);
          int a[n];
          int s=0;
          for(int i=0;i<n;i++)
           {
              scanf("%d",&a[i]);
              if(a[i]>=(i+1))
                s+=(i+1);
           }
          if(s%2==0)
            printf("BOB\n");
          else
            printf("ALICE\n");
          t--;
      };
     return 0;
 }

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