t=int(input())
for _ in range(t):
    n=int(input())
    arr=list(map(int,input().split(" ")))
    ans=[]
    a=False
    for i in range(2,n):
        if(arr[i-2]+arr[i-1]>arr[i]):
            continue
        else:
            a=True
            print(arr[i-2]," ",arr[i-1]," ",arr[i])
            break
    if not a:
        print(-1)
