void FitCamera()
{
var cellMin = puzzleManager.tilemapNavigation.Min;
var cellmax = puzzleManager.tilemapNavigation.Max;
Vector2 min = (Vector2)puzzleManager.tilemapNavigation.CellToWorld(cellMin);
Vector2 max = puzzleManager.tilemapNavigation.CellToWorld(cellmax);
min = min - Vector2.one;
max = max + Vector2.one;
Rect w = new Rect();
w.min = min;
w.max = max;
CameraUtility.SetCameraToRect(w);
}