Solves puzzles. Still need to add gameplay.
Too many static methods, extract to gameBoard class.
Objectified the Sudoku board. Finalized solving algorithm.
Still need to differentiate between user board and solution board.
No gameplay yet.
Deleted Sudoku model.
Finished solving algorithm to solve for multiple solutions.
No gameplay yet.
16x16 boards now print >10 in hexadecimal for readability.