The Holes Walkthrough
1st screen:
On the mitt wall, Most Left mess at the bottom
On the mitt wall, on the right, ordinal digit from the top
2nd concealment (click to the right):
Left wall, in the region at the bottom
3rd concealment (click to the right):
Left wall, most mitt mess at the lowermost there’s a example of paper
Left wall, ordinal from the left, at the bottom
4th concealment (click to the right):
Left wall, in the middle, the 3rd digit from the top.
Source: Escape Games 24