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Number Spread
This will allow you to upload a file of past lotto numbers, divide the numbers into 6 sections and show how evenly the numbers are spread.
The file format is:
1,8,10,35,38,42
12,16,28,34,39,45
etc
Click here for help and info.
You can test 505 draws from the South Australian Monday lotto by clicking

Upload Lotto file here