Multicol container: fixed width

X
X
XX X X
XX X X
XXXXX
XXXXX

Multicol container: intrinsic width

X
X
XX X X
XX X X
XXXXX
XXXXX

Multicol container: auto width

X
X
XX X X
XX X X
XXXXX
XXXXX
X
X
XX X X
XX X X
XXXXX
XXXXX