It was said that this narration indicates the opposite of what you mentioned regarding the obligation of maintaining the sequence in ablution because if it were obligatory, it would not be permissible to rewash only the left hand, as it would then be the last limb in purification. We respond: The meaning of this narration is that he does not repeat the ablution of anything preceding it, such as the washing of the face and the right hand. However, as for what follows it, it must be wiped again. And what indicates this is (following hadith):
Commentary #52