=GROUP(WRevOolOolBhf+WRevOolOolVhf+WOokOokBhf) =GROUP(WRevOolOolShf+WOokOokShf) =GROUP(WRevOolOolShf+WOokOokShf)+WOokOokOhf+GROUP(WRevOolOolBhf+WRevOolOolVhf+WOokOokBhf) WOokOokOhf