Three delay distributions across one shared span, so linear, from-centre and eased staggers can be compared directly

This is the format it was composed for. Switch above to see it lay itself out for another — same animation, re-arranged for the frame.
No Tailwind, no CSS, no asset files. Inline styles only.
Three rows of twelve blocks demonstrating linear, from-centre and eased stagger distributions simultaneously, with a marker travelling across so the timing relationship is visible.