Just stop...
Don't try to anonymise the data...
It's clearly too hard a problem for those who are trying to do it - and if it isn't anonymised at all then people might realise that it isn't anonymised....
Don't try to anonymise the data...
It's clearly too hard a problem for those who are trying to do it - and if it isn't anonymised at all then people might realise that it isn't anonymised....