How often so you find yourself telling someone peeing out a window is the right choice. Honestly bot a statement I thought I would ever have to say.
I have found that it is futile to have a battle of wits with a witless person.
Madness string 101912
The funny thing is that these 'garbage characters' are actually numeric characters, but in Cuneiform (as mentioned in T193610). Perhaps the collision is due to improper handling of non-BMP characters in the collation module?