This section introduces algorithms that were initially developed for double-straight orders. By smaller extensions and additions, they are also suitable for simple-straight orders.
|Rallier des Ourmes|
|Planck: Theory of reversions (n ⩾ 10)|
|Liang Peiji – Zhang Hangfu – Zhang Xiafu|
|Lin Peng Cheng|
|Ibrahim – Jibril – Umar|
|Shin Knwon Young|
|Unknown author (Method 3)|