I don't know, once, i tried console commands, scripts, and randomizers, and i think (XOR) is a ctype value of filt, it can be changed manually, by, ctype, or, anything else :) But, someone, use XOR, or NOT, or other things like this, to build a computer, or other :) I used XOR, because, it looks so good :)
Watch in all view mode 4, but, watch in heat view :)