libc6:
  Installed: 2.6.1-6
  Candidate: 2.6.1-6
  Version table:
     2.7-0exp8 0
          1 http://ftp.debian.org experimental/main Packages
 *** 2.6.1-6 0
        500 http://ftp.cz.debian.org sid/main Packages
        100 /var/lib/dpkg/status
     2.6.1-1+b1 0
        500 http://ftp.cz.debian.org lenny/main Packages