led placement

[yudruln8]

hi i just bought some led for my tank i have a large 72x36x36 tank i know i need a lot of light i plan on getting about 9 led fixtures i have 3 at the moment they are these right here 165W Full Spectrum Dimmable LED Aquarium Light Bridgelux Coral Reef Fixture | eBay i would like to know whats the best placement should i run them long ways along the tank meaning 3 on the left 3 on the right and 3 in the middle or side way in the middle from one side to the other

 

[Reefing Madness]

3 along the back and 3 along the front. But you could just run the 3 you have right at the rocks, and nothing shining on the front, for the time being.

 

[yudruln8]

3 along the back and 3 along the front. But you could just run the 3 you have right at the rocks, and nothing shining on the front, for the time being.

awesome thanks