Using a single sheet towel.
B, A, using one whole side of the towel. Then fold it in half with the dry side out. Shoulders/begin C3, C4, C1, finish C3/C2, D2, D1, E1, E2, F, all with one side of the towel. Then flip it and use the dry outer side to do a quick pass in the same order.
The idea was it was supposed to be him losing track of the barrier between reality and his delusions. He did kill a girl in that apartment, it was not the ludicrously long chase we see though, for example.