import sys
input = sys.stdin.readline

T=int(input())

for tests in range(T):
    H,W=list(map(int,input().split()))
    
    x,y=list(map(int,input().split()))
    if x==0 and y==0:
        continue


    if x-1!=1: 

        print(x-1,1,flush=True)
        a=x-1
        b=1

        x,y=list(map(int,input().split()))
        if x==0 and y==0:
            continue
    else:
        a=x-1
        
    print(a,y,flush=True)

    b=y

    x,y=list(map(int,input().split()))
    if x==0 and y==0:
        continue


    print(x-1,y,flush=True)


    x,y=list(map(int,input().split()))
    if x==0 and y==0:
        continue