An order that can be changed

Use C06's three dated clock events and undated repainting. Make removable annotated cards, an ordered strip and an unknown-date pocket. Deliberately shuffle only the ordinary cards for a partner/director to repair. Explain one swap with its year/event.

Grown-up help

two-event order first, then annotation. The strip is explicitly unscaled; no absent date is filled by guess.

Day 13 teacher plan · Blank bench/paper.