The mid galley area and toilets is all located incorrectly on that example. No airline would be so careless with prescious space like that. Not even BA. Instead, there would be 2x toilets to the rear of the CW cabin, along with the 1x toilet at the FWD of the aircraft - making 3x for that area.

Immediately behind these toilets would be the mid galley modules, FWD of the doors 2 area. (Not a second WTP as like the above example). There would also be the need for either a central galley module, or 2x modules (1x left and 1x right) slightly AFT of doors 2. The WTP cabin would then be fully contained within its own cabin behind this area (rather than split up as like the above example). The WT would largely be the same, but would require 2x toilets to the rear, just FWD doors 4 and the rear galley area - making a total of 6 for WTP and WT. The location of the rear toilet used on the above example, is actually the crew rest stair module.

The config capacity displayed of each cabin could be about right though on the above example. Some slight tweaking of modules and depending how the WTP seats would line up behind doors 2, would mean there would be no reduction in WT seats despite the additional 2 toilets to the rear.