Man pages matching name pfbtops in section 1:

pfbtops.1.en	debian 10 / groff
pfbtops.1.ja	debian 10 / manpages-ja
pfbtops.1.en	debian 11 / groff
pfbtops.1.ja	debian 11 / manpages-ja
pfbtops.1.en	debian 12 / groff
pfbtops.1.ja	debian 12 / manpages-ja