where to find all zygarde cores in pokemon moon?
["Hau'oli Outskirts: In your room, next to the bed (teaches Extreme Speed)", "Iki Town: In Hala's house, in the northeast room (teaches Thousand Arrows)", "Konikoni City: Upstairs in Olivia's jewelry shop (teaches Dragon Dance)", 'Route 17: In the Po Town police department (teaches Thousand Waves)']