Before revision: Based on insertion sort 200px|Bubble sorting network 200px|Insertion sorting network 200px|When allowing for parallel comparators, bubble sort and insertion sort are identical Zero-one principle While it is easy to prove the validity of some sorting networks (like the insertion / bubble sorter) , it is not always so easy.
After revision: Based on insertion sort 200px|Bubble sorting network 200px|Insertion sorting network 200px|When allowing for parallel comparators, bubble sort and insertion sort are identical Zero-one principle 0-1 （零一）原则虽然对于某些排序网络（如插入排序 / bubble sorter) , it is not always so easy.