11 artful \
12 bionic \
13
14 FEDORA_RELEASES := \
15 20 \
16 21
16 21 \
17 28
17
18
18 CENTOS_RELEASES := \
19 CENTOS_RELEASES := \
19 5 \
20 5 \
20 6 \
21 6 \
21 7
22 7