From Simon - Do I qualify for two 72 hour VISA waivers?

I fly from London to Beijing arriving 10:45 on 24th January
69 hours later I depart for Bangkok at 08:00 on 27th January changing planes in Hong Kong

I leave Bangkok and arrive in Beijing at 17:30 on Friday 28th February
70 hours later I depart from Beijing for London at 12:00 on Monday 3rd March

I have an ELECTRONIC TICKET & PASSENGER ITINERARY RECEIPT from Cathay for the PEK-BKK-PEK element &
a E-Ticket receipt from British Airways for the LHR-PEK-LHR element