for _ in range(int(input())):
  H,W=map(int,input().split())
  if H==1 and W==1:
    print(0)
  elif H==2 and W==2:
    print("2 2\n2 2")
  elif H==3 and W==3:
    print("2 2 2\n2 0 2\n2 2 2")
  else:
    print(-1)