Column rendering test strip - you should see 99 columns below.
The RFC-1689 (Gopher std) recommends 70 max.

000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999
123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
                                                                     ^