silicone greece off block paving

[Morgiee]

Hi guys as titled above sprayed and spilt some silicone greece onto out block paving now its seems to be permanently blended into the block paving. Tried Thompson drive cleaner fluid, break cleaner with a wire brush but just makes the paving block go white. a local mechanic gave me some luminous yellow fluid with a lemon smell with some scolding hot water which improved it a bit but it wont bloody lift

What have people used on here to remove it off their block paving?

Thanks