From Sequences to Skolem Squares Puzzles

This is a Skolem sequence. Two of each number with pairs of 1s, 2s, 3s and so on spaced apart equal to their value.
The Skolem sequence 4 1 1 3 4 2 3 2 Each number appears twice, and the gap between a pair is the number itself: the two 1s are one apart, the two 2s two apart, the two 3s three apart and the two 4s four apart. 4 1 1 3 4 2 3 2 1 2 3 4
This is a Skolem Squares puzzle. Each row and column is a Skolem sequence, with black spaces as empty spots where there is no paired number.
Solved Skolem Squares puzzle showing rows and columns as Skolem sequences