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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
 
254 1
256 1
258 2
259 1
260 5
261 4
262 22
263 7
264 37
265 12
266 65
267 27
268 76
269 25
270 80
271 18
272 104
273 19
274 66
275 24
276 60
277 21
278 39
279 11
280 40
281 15
282 19
283 5
284 25
285 7
286 28
287 7
288 28
289 7
290 37
291 6
292 23
293 5
294 14
295 5
296 20
297 4
298 13
299 1
300 6
302 2
303 2
304 1
306 1
309 1

Sum 1049

Distribution of type

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

TypeCount
Symmetrical Sudoku1049