Ganxun and Chenyang House, where is the toilet?

Qianxun and Xuchen Yang Mansion can use the "Nine Star Hexagram" to calculate the good luck of the eight directions, and the murderer is in the toilet. Qian is the auxiliary position of the hexagram: Qian is the auxiliary position (northwest, auspicious), Dui is the greedy wolf (due west, auspicious), Zhen is the giant gate (due east, auspicious), Kun is Lucun (southwest, fierce), Kan is Wenchang (due north, fierce), Xun is Kangzhen (southeast, fierce), Gen is Wuqu (northeast, auspicious), and Li is the broken army (due south, fierce).

Then the suitable toilet is in the west-southwest position.