Another site with the same basic idea, slightly different display of puzzles and output:
Digits (15/15 ⭐)
99 - ⭐⭐⭐
183 - ⭐⭐⭐
262 - ⭐⭐⭐
393 - ⭐⭐⭐
491 - ⭐⭐⭐
playdigitsnyt.com
Digits (15/15 ⭐)
99 - ⭐⭐⭐
183 - ⭐⭐⭐
262 - ⭐⭐⭐
393 - ⭐⭐⭐
491 - ⭐⭐⭐
playdigitsnyt.com