[Retros] Add units: 17th update (1KA)

[Mu-Tsun Tsai]

Sorry, that one didn't work, since -1. Na3 Ka1 -2.Nb1 cooks the design.
Here's a correction.

Diagram: 
http://www.janko.at/Retros/d.php?ff=8/PP6/PNN5/1B6/8/1P6/kPPP3P/3RR3
(13+1) 

Stip: Add the missing unit(s). 

Intended solution: +wKc1 


Mu-Tsun