Package: ab1
Version: 3.4
Source: as
Architecture: arch1
Depends: n1, n3 (=3465637848)

Package: ab2
Version: 3.4
Source: as
Architecture: arch1
Depends: n2 (>56.78), n3 (<= 5.9)

Package: cc
Version: 17.42
Depends: ab1 (< 76), ab2 (>76) ,n3 (> 8.9)
Architecture: arch1
