Thanks for the graphic p.j.m.
This is very interesting information, it gives the location for these big pieces as: 3.9241948672 s 110.5252477224 e
which is very close to where the bodies and debris has been said to have been found - and which is 70 miles SE of the first given last known position: (3°22'1.58"S 109°41'28"E)
or 60 miles SE of a "corrected last known position" given at GeorgeHatcher.com (3°36'31.0"S 109°41'46.0"E)