I'm still looking for the last two steps (for 78).
(4 days later): Finally found it. This was my last masters levels, at this point. Enjoyable, was stuck two off until I realized ************************************ Wooow, the 144 felt longer than my 146. :)) I got stuck at 91s, for a while. Unintuitive 2 cut for me. Bested me in multiplayer. Quickly realize now *****************************************