in reply to Challenge: Ricochet Robots

I don't have the moves yet, but I found a solution in 16 moves (almost 5 minutes on my machine). The final position of the robots was
<Reveal this spoiler or all in this thread>
map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Meditations