I have the H-9 Solo Sport, same plane different graphics. What a great plane. I trained on it 6 yaers ago and now train my son with it. I've always used 14 rubber bands on the wing. 5 on each side going front to back and 2 diagonally each way. I put 2 F-B each side then a set diagonally, then 3 more F-B then the last 2 diag.. This might be over kill by some peoples standards but I like redondency. When you progress past your solo and start trying loops it is extra insurance that the wing doesn't come off pullinh out from the bottom side of a loop and you end up rekitting your plane.
Keep us posted with your progress.