I think the best way is using (Starting from the quintuplets, ending in b natural at the end of the next bar.) - 1, 2, 3, 1, 3 (Though you can use 2), 1, 2, 3, 1, 2, 1, 3 (Though you can use 2), 1, 5, 4, 3, 2, 1.Hope this helps!