Because there are several consistent evidence such as sonong, which is the town of phueanphra, who had assumed that the two cities are the makeover, Le (a. 2) of phrae Province today.
Because there are many such as evidence consistent city structure, which is the city of the friends of the expensive ผู้เลอโฉม presumably is the town of two (อ.สอง). Of Phrae province at present.