SCREENHEIGHT // 2)
w.blit(not_valid, not_valid_rect)
pygame.display.update()
time.sleep(2)
w.fill((255, 255, 255))
elif clear_board_rect.collidepoint(mouse_pos):
g.clear_grid()
w.fill((255, 255, 255))
g.draw_grid(SCREENWIDTH, SCREENHEIGHT)
board.set_board(g.get_board())
elif reset_board_rect.collidepoint(mouse_pos):
g = copy
w.fill((255, 255, 255))
g.draw_grid(SCREENWIDTH, SCREENHEIGHT)
board.set_board(g.get_board())
board.solutions = []
elif solve_rect.collidepoint(mouse_pos):
board.solve()
for i in range(len(board.board)):
for j in range(len(board.board)):
tile = g.board[i][j]
tile.number = board.solutions[counter].board[i][j]
elif next_solution_rect.collidepoint(mouse_pos):
counter += 1
if counter < len(board.solutions):
for i in range(len(board.board)):
for j in range(len(board.board)):
tile = g.board[i][j]
tile.number = board.solutions[counter].board[i][j]
w.fill((255, 255, 255))
g.draw_grid(SCREENWIDTH, SCREENHEIGHT)
