T = int(input())

for _ in range(T):
  Sx, Sy, Tx, Ty = tuple(map(int, input().split()))
  if max(Sy, Ty) > 100:
    print(abs(Sy - Ty))
    continue
  ans = 10**18
  for i in range(100):
    x = abs(Sx // 2 ** i - Tx // 2 ** i)
    y = abs(i - Sy) + abs(i - Ty)
    ans = min(ans, x+y)
  print(ans)