Lanterns In Zora Domain

As a kid, if you light all the torches in Zora's Domain, a chest with a Piece of Heart will appear.

I'm not exactly sure which torches count in making the chest appear, but I use a Deku Stick to bring fire from the torch near King Zora to the torch down the stairs. Then I light the torch outside the store, and attack with my sword to put away the Deku Stick. Then I use another one to bring fire to the torch in the water, then run behind the waterfall and use Din's Fire (obtained from the Great Fairy at Hyrule Castle). But then I have to go back to the torch in the water and light that again to make the chest appear.

Behold! I Greet you from the distant future year of 2009!

Actually there is a much simpler solution to this problem. You can easily solve this puzzle during your first visit to Zora's Domain, without the help of Din's Fire. 1.Use a Deku Stick to bring bring fire from the throne room to the torch at the bottom of the stair case leading there. This torch stays lit indefinitely.
2.Bring fire from that torch to the one in front of the shop. Put away your Deku Stick and rearm to extinguish it, or if you're slow, arm a new Deku Stick. This torch extinguishes after a time. I counted about eighteen seconds. 3. One or two seconds before it does so, light your new Deku Stick and quickly relight the torch in front of the shop. 4. Run and light the torch in the pond near the fishies and the two behind the waterfall. You have about eighteen seconds.