There are various strategies which are employed with the aim of winning at the game of roulette. One of such techniques is the 666 roulette strategy, the idea of which is to cover as many digits on the roulette wheel with wagers as you can. By doing this, your chances of succeeding go up. When it comes to this scheme's efficiency, though, only increasing percentages can make it statistically favourable. With that being established, do you opine that this strategy is effective in roulette?