- tested 66,537,837 grids
- found 68,250 grids with No 19C
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For coloin:
123456789456789123798132564275943816361278495984615372519367248637824951842591637
blue wrote:my revised estimate is 250-281K
blue wrote:I don't doubt that you have a handle on everything, but my curiosity for details, raised the itch to ask.
Serg wrote:I looked through first pages of this thread and didn't find a post about exclusive search of grids which do not have 20-clue puzzles. Was this exclusive search done? Can we be sure that grids having 22-clue puzzles, but not 17,18,19,20,21-clue puzzles don't exist?
17C: 46300
18C: 10221135
19C: 5626788
20C: 4091330268
21c: 4
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Puzzles: 4107224495 ( 75.05%)
unk: 1365506043 ( 24.95%)
----------
Grids: 5472730538
17C: 46300
18C: 10658721
19C: 133785077
20C: 5328240436 (*)
21C: 4
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Puzzles: 5472730538
Date Batches ED grids New grids Yield Total 18C
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17 Nov 2019 141,951,220
17 Nov 2019 1 - 16 15,681,729 7,849,494 50% 149,800,714
18 Nov 2019 17 - 32 15,692,880 7,547,712 48% 157,348,426
19 Nov 2019 33 - 48 15,772,186 7,475,390 47.4% 164,823,816
20 Nov 2019 49 - 64 15,840,319 6,804,915 43% 171,628,731
21 Nov 2019 65 - 80 15,648,661 6,627,220 42.35% 178,255,951
22 Nov 2019 H18(Colin) 80,063,252 35,759,516 44.67% 214,015,467