White shell = EDIT
Black shell = RUN, adjust !

Run1: (default with random weights
1.0 adjust BLACK size, shape 
1.1 run to 599
1.2 compare to 598
1.3 un-comment wait-for-keypress
1.4 by 300 obvious separation

Run2: W1=w2=0  FAILS
2.1 run to 599 
2.2 keypress to check for typos 
NOTE the halves in output

Run3: W1=0 w2=1   FAILS
3.1 keypress to check for typos
3.2 run to end

Run4: W1=w2=0 contaminated
in 600 iterations FAILS
but 6000 SUCCESS


3.1 keypress to check for typos
3.2 run to end