Assertion:
Using WIDTH attributes that are too small will result in a multi column layout where text runs into each other, thus making it unreadable.

MULTICOL content, cols=3, gutter=20, width=500:
filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text filler text

MULTICOL content, cols=3, gutter=20, width=300:
filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text filler text

MULTICOL content, cols=3, gutter=20, width=100:
filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text Filler text filler text