行列のできるパズル(GYORETU PUZZLE)

ルール (Rules) 1. 二人以下は人々。三人以上は列。(2 or less is people. 3 or more is line.) 2. 最後にやってきた人が最後尾。(The last person to join the line is the last person in line.) 3. ただし、割り込みは例外。(Except when that person cut in line.) Link to source code: https://www.puzzlescript.net/editor.html?hack=4dc56916334790f3dd4269036e80c36c