how do i crack this password with special character?

[amrgdnn]

how do i crack this password with special character

this is my bit coin wallet password  : 15187536   but there are  in this password somewhere between these numbers one special characters (ALT+255) special space  and at the end of the password tehere are 2 special characters (ALT+255) special space

How can I mask it or how can I bruteforce this password?
thanks for replying