i was tempted to go for the front row stalls (above) and try offload my balcony centre 2nd row seats but decided against it, i was right at the front in Manchester but balcony at Hammersmith, pros & cons for both in my opinion.
Sorry... It was there. The website page has changed, even from the original link I copied from twitter here's the tweet.... https://twitter.com/the405/status/436874473237536768 It was a thing in Greenwich anyhow.