Generate Sudokus

1. Randomize!!
2. Generate Random Full Puzzle.

   $6,670,903,752,021,072,936,960 (6.67×10^21)$

3. Trial & Error: Select random element and remove (zero): Call solver to ensure Uniqueness
4. Remove element, calculate Topology!
   1. Did element become Unique? Remove.
   2. Element only once in one of the 'Shadows'? Remove.
5. Visualize!! Random Full Sudoku