PlaySudoku.us
Medium · Puzzle #471
6
8
9
5
7
1
8
3
2
6
4
1
7
6
9
3
8
2
4
7
4
3
9
2
8
2
6
3
7
5
8
2
6
9
5
4
7
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein