Instructions
0. The board is initially filled with n^2 black and 0 white queens
click on a square once to focus on it and to see the squares adjacent to it
once you place a queen the highlighting will disappear
1. click on a square twice to add a white queen
click again to place/remove
Swap to effectively work with other color
2. Solve from Scratch uses random initial position
Solve from Here uses current position