Escher from side with one side soldered 2
https://algo.mur.at/projects/microcontroller/escher/fotos/escherboard/escher_side4.jpg/view
https://algo.mur.at/projects/microcontroller/escher/fotos/escherboard/escher_side4.jpg/@@download/image/pict8691.jpg
Escher from side with one side soldered 2