Preferred (minimum) width of multicol boxes

column-count non-auto, column-width auto: Lorem ipsum
dolor sit amet,
consectetur adipiscing elit.
Duis id dolor; Lorem ipsum
dolor sit amet,
supercalifragilisticexpialidocioussupercalifragilisticexpialidocious
Duis id dolor
column-count auto, column-width non-auto: Lorem ipsum
dolor sit amet,
consectetur adipiscing elit.
Duis id dolor; Lorem ipsum
dolor sit amet,
consectetur adipiscing elit.
Duis id dolor; Lorem ipsum
dolor sit amet,
supercalifragilisticexpialidocious
Duis id dolor; Lorem ipsum
dolor sit amet,
supercalifragilisticexpialidocious
Duis id dolor
column-count non-auto, column-width non-auto: Lorem ipsum
dolor sit amet,
consectetur adipiscing elit.
Duis id dolor; Lorem ipsum
dolor sit amet,
consectetur adipiscing elit.
Duis id dolor; Lorem ipsum
dolor sit amet,
supercalifragilisticexpialidocious
Duis id dolor; Lorem ipsum
dolor sit amet,
supercalifragilisticexpialidocious
Duis id dolor