Puzzle 013: Water Fetching Relay

ナゾ０１３　水くみリレー
水くみ場が２つある公園がある。
今からのバケツ２個を持ち＊の所から
出発して、それぞれの水くみ場で水を
１杯分ずつくんで、なるべく早く
戻ってきたい。
同じ道は２度と通らないとすると、
どのようなコースで行けばいいだろう？
通路に線を引いて答えてほしい。

Google Translate
Fetching water park is a place in two ways. Now have two pieces from the bucket * to depart from the place of drawing water in place of water in each cup one-kun, on coming back as soon as possible. You do not pass through the same road with two degrees, courses will I be like? I want to draw a line in the corridor answer.

Notes on Puzzle
Find the shortest route through a maze, where you need to stop at two fountains (marked with an “X”) to fill your bucket. You cannot cross the same part of the path twice. The start and end is the same place, so it's a big loop.