t=int(input())

for i in range(t):

k=int(input())

a=list(map(int,input().split()))

count1=0

count2=len(a)

for i in range(0,len(a)-1):

if (a[i+1]-a[i])<=2:

count1+=1

```
else:
count2+=1
break
b=int(count1+1)
if len(a)!=b:
c=int(len(a)-b)
else:
c=b
print("%d %d" %(b,c))
```