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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

Sum 0
 
362 1
365 3
367 3
368 6
369 10
370 11
371 14
372 13
373 20
374 18
375 15
376 14
377 15
378 8
379 9
380 8
381 6
382 3
383 2
386 2
388 1
390 1
392 1

Sum 184

Distribution of type

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

TypeCount
Symmetrical Sudoku184