1 Finger to Rotate (Left Click)

2 fingers to Position (Right or Shift-Click)

Pinch in/out to Scale (Scroll)

Double-tap to Focus on a specific place.

https://sketchfab.com/models/621fe7e2e4b54651912116761e4d0f39/embed?camera=0&ui_settings=0&ui_help=0&ui_infos=0&ui_related=0

To observe entire wall archives

Unlike normal problems, the entire wall is large. To observe comfortably, Double-tap on the problem you want to observe, then operate it.

Unlike normal problems, the entire wall is large. To observe comfortably, Double-tap on the problem you want to observe, then operate it.

What are the numbers on the problem?

These are annotation points. About Start, Zone, Top, etc. You can jump the preset by selecting it.