This pattern was free for the competition knitters and official cheerleaders in the SM11(2017) Sock Madness. If you are using a coupon, make sure this brings the payment to $0.00, before checking out.

These socks feature the solution to a 4x15 pentomino puzzle.
Pen-TOE-minoes. Get it?
Most of the socks is worked as intarsia-in-the-round, a tutorial for this brilliant technique is included.

Pentoeminoes was the Round 6 Pattern for the Sock Madness 2017 speed knitting competition.

For more information go to the Sock Madness Forever group.
Here are some links to the Pentoeminoes question, chatter, and finished threads.

Using elements from various sources, I created, checked, and wrote up this pattern, so to put a monetary value to it, AU$ 4.50 will buy me a cup of chai latte, when I meet up with my knitting friends on Wednesday Knit Night. Thanks, much appreciated.