public async Task StartAsync()
{
int k = await FileBoundary.GetKAsync();
int[,] visibility = await FileBoundary.ReadVisibilityMatrixAsync();
int[,] communications = await FileBoundary.ReadCommunicationsMatrixAsync();
var solver = new CspSolver(k, visibility, communications);
var result = solver.Solve();
await FileBoundary.WriteBackResultAsync(result);
}