Sudoku puzzles

Distribution of start numbers

This table shows the spread of puzzles mapped to the numbers a puzzle start with. Clicking on the number will give you a random puzzle with that start number count. I've put a sum-line at 30 since some people think a real sudoku should have less than or equal to 30 start numbers.

Starting numbers		puzzles in db
16		4
17		7
18		185
19		109
20		1295
21		528
22		3023
23		743
24		2604
25		496
26		1354
27		294
28		848
29		187
30		396
Sum		12073
31		55
32		72
33		7
34		7
Sum		141

Distribution of type

This table show how many puzzles there are to each puzzle-type

Type	Count
Symmetrical Sudoku	12214