void DropPuzzle()
{
int c = randomPuzzleColTable.Get();
PuzzleTile p = Instantiate(samplePuzzle, transform.position, Quaternion.identity, container.transform).GetComponent <PuzzleTile>();
p.col = c;
p.SetPuzzleType((PuzzleTile.PType)randomPuzzleTypeTable.Get());
container.DropPuzzle(c, p);
}