 Backgammon is a much more fascinating example. Basically, the game is you move checkers around in opposite directions, and when you get to the end, you roll dice and follow rules to bury your pieces off the board. And once you get all your pieces off the board, you win. Now if you've played modern normal backgammon, you start with all your pieces on the board. In original old-school backgammon, all your pieces started off the board. You rolled to put them on the board, then you went all the way across, and then you took them off the board. And the beginning part, where you keep rolling dice back and forth until all your pieces are on the board, is really slow and boring nonsense that everyone hated doing, and that's why they got rid of it. So over time, again, that evolved out of backgammon. First, they moved from burying pieces on the board to have all the pieces just on the board at the edge to start. And then they did something clever. They moved on further to having all the pieces not only on the board, but on the board in an immediately interesting situation. Right. The reason they are, the way they are on the board, is because that's a situation where, no matter what you roll on the first turn, there's some sort of the most interesting decisions to make.