Japanese lottery game

The ghost foot diagram, underlined from top to bottom, moves to another vertical line every time it reaches a horizontal line, which is generally used as an unscrupulous distribution method.

Supplement:

Ghost foot diagram is a game, which is often used as a way of drawing lots. The game is played like this: first, draw several vertical lines, starting from the top of the vertical lines and ending at the bottom, and finally write down the lottery items; Then draw some horizontal lines randomly between the vertical lines, but each horizontal line must not cross the vertical lines; Finally, everyone chooses a starting point and starts to go down; If they encounter a horizontal line, they will follow the horizontal line to the vertical line next door and finally reach the finish line, that is, the items drawn in the lottery.