public bool SolveSudoku()
{
// while not solved
int newSolutions = 0;
do
{
newSolutions = SolverStep();
} while (newSolutions > 0);
double percentageDone() => Sudoku.Count(x => x != NDEF_VALUE) / (double)(ROW_ELEMENT_COUNT * ROW_ELEMENT_COUNT);
Log.LogBuilder.AppendLine($"DONE ({percentageDone():P1})");
Log.Heatmap = Log.Heatmap.ToDictionary(x => x.Key, x => 1.0 - x.Value / Log.Iterations);
if (VerifySoduku() == false)
{
Log.LogBuilder.AppendLine("SODUKO IS NOT VALID");
return(false);
}
return(percentageDone() == 1.0);
}