testcases=input()
length=input()
while(testcases):
    array=map(int,raw_input().split())
    yes=[]
    for i in range(len(array)-2):
        possible=array[i:i+3]
        if(possible[0]+possible[1]>possible[2] and possible[0]+possible[2]>possible[1] and possible[1]+possible[2]>possible[0]):
            yes.append(array.index(possible[0],i+0)+1)
            yes.append(array.index(possible[1],i+1)+1)
            yes.append(array.index(possible[2],i+2)+1)
            break
    output=''
    if yes:
        for val in yes:
            output+=str(val)+" "
    else:
        output=str(-1)
    print(output)
    testcases-=1
    