bobgsma

bobgsmabobgsmabobgsma
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    • Home Page
    • About Us & Others
    • Tips and Tricks
    • Products
    • Members Only

bobgsma

bobgsmabobgsmabobgsma
  • Home Page
  • About Us & Others
  • Tips and Tricks
  • Products
  • Members Only

About Us

Our TEAM

Our history

Our history

Currently, just ONE 

Our history

Our history

Our history

During recovery, after surgery, 

discovered the power of Apple’s “Numbers” APP

and

Used “Numbers” spreadsheets to improve my Sudoku skills

and then

used Microsoft Excel to develop similar spreadsheets to improve my Sudoku skills and created Step-by-Step Solutions by SUbingDOKU on YouTube 


Our mission

Our history

Our mission

SUbingDOKU ™ digital puzzles are designed to be fun!


SUbingDOKU ™ Step-by-Step digital puzzles are designed to be educational


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