I tried to use the example addresses which are listed in the source code of bip39bruteforce, but they are "invalid":
$ ./bip39bruteforce 1JAd7XCBzGudGpJQSDSfpmJhiygtLQWaGL
"1JAd7XCBzGudGpJQSDSfpmJhiygtLQWaGL" is not a valid address
$ ./bip39bruteforce 1N3uJ5AU3FTYQ1ZQgTMtYmgSvMBmQiGVBS
"1N3uJ5AU3FTYQ1ZQgTMtYmgSvMBmQiGVBS" is not a valid address
on macOS 10.13.4 compiled with Apple LLVM version 9.1.0 (clang-902.0.39.1)
I tried to use the example addresses which are listed in the source code of bip39bruteforce, but they are "invalid":
on macOS 10.13.4 compiled with
Apple LLVM version 9.1.0 (clang-902.0.39.1)