The wording of "the first of them" and "one of them" in the hadith regarding the dog's licking

Question:
The questioner says: In the hadith, the Messenger (peace and blessings be upon him) said: If one of you is licked by a dog, let him wash the place seven times, the first of them with soil. In another narration, it is "one of them," and in another narration, "the eighth with soil." The question is: Is the word "one of them" or "the first of them" from the Messenger, or is it due to variation among the narrators?

Answer:
It appears to be from the speech of the Messenger (peace and blessings be upon him), and the narrations are reconciled with one another. The soil is in the first of them so that water can be poured over it, and then soil and water alternate thereafter. Thus, the narration "the first of them" is more likely, and it does not contradict "one of them," because "the first of them" is true of "one of them." Yes.

The presenter:
May Allah reward you,