https://groups.google.com/g/comp.lang.pl1/c/5Bx0EJuAkck
https://groups.google.com/g/comp.lang.pl1/c/5Bx0EJuAkck?dr25eS
https://groups.google.com/g/comp.lang.pl1/c/safB0JjVNkA
https://groups.google.com/g/comp.lang.pl1/c/safB0JjVNkA?Nbv2Vc
https://groups.google.com/g/comp.lang.pl1/c/dG5E6SY0GQE
https://groups.google.com/g/comp.lang.pl1/c/dG5E6SY0GQE?CnAD21D
https://glot.io/snippets/gsel3bmig3