Just a quick note to say thanks for posting this: I've had great fun exploring it: it's a simple puzzle to understand, yet harder than it first appears, and a l

Just a quick note to say thanks for posting this: I've had great fun exploring it: it's a simple puzzle to understand, yet harder than it first appears, and a low barrier of entry thanks to your posted code. Genuinely interesting seeing the symmetry appearing in the low-scoring solutions, and also an element of friendly competition and shared discovery as we post our scores. Cheers!