Paul's puzzle 52 solution - 28 parts

[paul]

Here’s my solution (it’s the one from the book):

And here’s the link:

http://www.lodev.org/jstumble/?board=0e00ee0xreerrllee0x0eerxllee0l0eerrliee0lfrrfee

Description: This one is a lot like the solution to puzzle 48, except the routing was a little trickier for me as you have to add to the ‘1’ bit and the ‘4’ bit during each cycle.

[rmsgrey]

Rather than doing A-1, B+4, null, and B+1, you can do A-1, B+2, B+2, B+1, and only use 1 crossover:

https://www.lodev.org/jstumble/?board=0e00ee0lreerxllee0l0eerrllee0l0eerrliee0lfrrfee