Questions regarding WSC round 5 - Arrows, Lines and Circles

[Feadoor]

I'm sorry, but you're completely wrong.

If you want to know the story of this puzzle: I created it for a czech competition in 2012.
In 2014, I authored a GP round and was asked to provide samples for the IB. I mainly provided sudoku I created in the past and asked 2 other authors for authorization to use their puzzles on the IB (and asked organizers to clearly credit them in the IB) - one of them is here too.

I think you have misunderstood me. I didn't mean to imply that the 2014 IB was the first time the puzzle ever appeared - I meant to say that it was the first time it had appeared *in a GP instruction booklet* - which is true, yes?

The other point I was making by pointing out that the puzzle later appeared in the Round 7 IB of the same year was simply that the authors of that round failed to credit you appropriately, and should take some responsibility for the subsequent events.