These are the jigsaw pieces, or pixels, which were rejected by conceptual glitches in the process, leaving dead pixels/empty spaces in the images.
Left to right: (first number is original jigsaw number 1-6, followed by grid position. Letter = y axis, Number = x axis.)
2B36 from #2; 1B20 & 5X6 from #3; 6X5 from #4; 6B36 from #5
They are discrete pieces of information which never arrived at their intended destination. In a digital process, they would have disappeared off into the ether, but these physical pieces are trapped in purgatory (my wallet).
I’m not sure what to do with them.