import           Control.Monad (replicateM)

data Length = Short | Long
  deriving (Eq)

f x y x1 y1
  | x < x1 = if y <= y1
             then (Short, (0, 10000), Long, (10000, 10000))
             else (Short, (0, t), Long, (t, 10000))
  | x == x1 = if y < y1
              then (Long, (0, 0), Short, (0, 10000))
              else if y == y1
                   then (Short, (0, 0), Long, (0, 0))
                   else (Short, (0, 0), Long, (0, 10000))
  | otherwise = if y < y1
                then (Long, (0, t), Short, (t, 10000))
                else (Long, (0, 10000), Short, (10000, 10000))
  where
    t = - (x - x1) / (y - y1)

-- [-, -)同士
intersect (x1, y1) (x2, y2) = x1 /= y1 && x2 /= y2 && not (y2 <= x1 || y1 <= x2)

-- [-, -)と(-, -]
intersect' (x1, y1) (x2, y2) = x1 /= y1 && x2 /= y2 && not (y2 < x1 || y1 <= x2)

main = do
  n <- readLn
  replicateM n $ do
    [x2, x1, x3, y2, y1, y3] <- fmap (map (fromIntegral . read) . words) getLine
    let (l1, r1, l2, r2) = f x2 y2 x1 y1
        (l1', r1', l2', r2') = f x3 y3 x1 y1
        can = if l1 == l1' then intersect r1 r1' || intersect r2 r2' else intersect' r1 r2' || intersect' r1' r2
    putStrLn $ if can then "YES" else "NO"