Each step corresponds to a code (eg : B2, A1, D5, …). The letter corresponds to a place. The figure corresponds to the step in the place.

You can use Mobiletag, KAPTag...
Each step corresponds to a code (eg : B2, A1, D5, …). The letter corresponds to a place. The figure corresponds to the step in the place.
You can use Mobiletag, KAPTag...