Food for Thought

"The measure of intelligence is the ability to change." — Albert Einstein

Food for Thought

"The measure of intelligence is the ability to change." — Albert Einstein

PlaySudoku.us
Medium · Puzzle #322
✓ Completed! 👍
7
1
7
3
6
5
9
7
9
2
4
3
3
6
1
7
1
5
3
6
4
9
7
3
6
2
2
1
5
8
7
9
6
00:00
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Math Insight

The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.

Math Insight

The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.