Revert "binary-search: improve example for search."
Revert "binary-search: improve example for search."

This reverts commit aac6780285c740a98e7ef38b03dbc8dcce6d97a5.

AlexIljin/factor,tgunr/factor,AlexIljin/factor,tgunr/factor,mrjbq7/factor,bpollack/factor,AlexIljin/factor,tgunr/factor,bpollack/factor,bpollack/factor,mrjbq7/factor,bpollack/factor,bpollack/factor,factor/factor,mrjbq7/factor,factor/factor,AlexIljin/factor,tgunr/factor,mrjbq7/factor,AlexIljin/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,factor/factor,mrjbq7/factor,tgunr/factor,AlexIljin/factor,bpollack/factor,factor/factor,factor/factor,AlexIljin/factor,factor/factor