This page shows the different variations of the Tablica wyników from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free. Icons are available in PNG and vector.
The image is a single block with an abnormal shape. The bottom is flat but the top has three different heights. Under the varying heights are numbers. Number 1 is highest. Number 2 is a little lower and number 3 is the lowest.