In the wait-free universal construction shown in Section6.4, each thread first looks for another thread to help, and then tries to append its own node. Suppose that instead, each thread first tries to...

In the wait-free universal construction shown in Section6.4, each thread first looks for another thread to help, and then tries to append its own node. Suppose that instead, each thread first tries to append its own node, and then tries to help the other thread. Explain whether this alternative approach works. Justify your answer.