Gaming Ocarina of Time 3D - Check for missing Heartpiece?

[SplendidMaChao]

You most certainly know the drill: Missing that one darn Piece of Heart at the end.
The thing is, i'm pretty confident that i found them all and i actually quadruple checked the list:

- Saria's Song at solo Skullkid
- Simon Says with Skullkid Duo
- Box puzzle on Lon Lon Farm
- Missing dog at back alley
- Graveyard shovel tour
- ReDead grave with Song of Sun
- Crack in the wall behind cow at Kakariko
- Spinning Jug in Goron City
- Business Scrub before Lake Hylia
- Bombchu Bowling
- Fishing
- Two at Zora's River via chicken
- Torches behind waterfall in Zora's Domain
- Two in Gerudo Valley via Chicken (Box and Waterfall)
- Death Mountain Crater (Climbable wall)
- Two from the Frogs in Zora's River
- Treasure Chest Game
- Graveyard box via bean/hookshot
- Windmill
- Dampe chase <1min
- Man on roof in Kakariko
- On top of Lakeside Lab
- Gold Scale dive
- Hyrule Filed secret hole dive
- On top of Dogongo Cave
- On Death Mountain volcano via bean
- On the ice in Zora's Fountain
- In the red ice in Ice Cavern
- At the bottom of Zora's Fountain
- On top of Gerudo Fortress
- From Riding Archery game
- On the arch in front of Desert Colossus
- 50 Gold Skulltulas

That's 36 Heart Pieces, yet i'm missing one. Is there any way i can poke around at my safe file to see what piece i'm missing? This is starting to drive me batty...