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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
 
636 1
638 3
640 3
642 10
644 23
646 31
648 58
650 57
652 95
654 122
656 128
658 129
660 131
662 122
664 113
666 71
668 60
670 50
672 14
674 14
676 15
678 10
680 16
682 24
684 34
686 51
688 56
690 70
692 65
694 46
696 58
698 54
700 39
702 28
704 19
706 23
708 12
710 9
712 5
714 7

Sum 1876

Distribution of type

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

TypeCount
Symmetrical Sudoku1876