All sequences are equally likely to be produced by a fair die but humans are very biased in the kinds of sequences they produce. It might be impossible to ever

All sequences are equally likely to be produced by a fair die but humans are very biased in the kinds of sequences they produce. It might be impossible to ever be certain but you can certainly look at a sequence of all sixes (or that contains more complicated patterns) and estimate that it was much more likely to be produced by a human than a die.