# Robot-card relay


## A

1207

## B

286

## Id

C20

## Job

remove

## Reason

Order and units are stated, not guessed.

## Complete source

A fictional robot card tray starts 1207, uses 286, then receives 149.

## Status

Original fictional ordinary practice; teach source/help before any own application.

## Title

Robot-card relay

## After own work: adult practice possibility

921 after use; 1070 after arrival; 1070−149=921.