IoTClass Kids08C / 12

From your book: The Replay Check

One command, one token

Sammy in the story’s paper model scene

Help me sort the first command and its repeated copy.

Read together

The model accepts command 5 after 4 and marks 5 used. One blue paper token comes out. A repeat of 5 is blocked; no second token comes out.

Sammy, your story guide

Help me sort the first command and its repeated copy.