List of best mirrors for IP address 3.149.250.142, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/h/haskell-concurrent-output/libghc-concurrent-output-dev_1.10.21-1+b1_armhf.deb