Sahih bukhari Hadith No.155-157 | کیا پتھروں سے استنجاء کرنا جائز ہے؟

Asslamoalaikum,
Sahih Bukhari Hadees No. 155-157 Chapter 4, Wudu (Ablution

Hadees No.155
Narrated Abu Huraira: I followed the Prophet while he was going out to answer the call of nature. He used not to look this way or that. So, when I approached near him he said to me, "Fetch for me some stones for ' cleaning the privates parts (or said something similar), and do not bring a bone or a piece of dung." So I brought the stones in the corner of my garment and placed them by his side and I then went away from him. When he finished (from answering the call of nature) he used, them
Hadees No156
Narrated `Abdullah: The Prophet went out to answer the call of nature and asked me to bring three stones. I found two stones and searched for the third but could not find it. So took a dried piece of dung and brought it to him. He took the two stones and threw away the dung and said, "This is a filthy thing."
Hadees No157
Narrated Ibn `Abbas: The Prophet performed ablution by washing the body parts only once
Hadees No158
Narrated `Abdullah bin Zaid: The Prophet performed ablution by washing the body parts twice