You really need inverted commas around some words in the multi-and sentence as well...
He forgot to leave a space between 'Pig' and 'and' and 'and' and 'Whistle'.
A man was painting a sign for the business 'Shand and Anderson'. His boss came by just as he was finishing the job and remarked, 'you've left the same length gap between "Sh" and "and" and "and" and "and" and "and" and "And" and "And" and "erson"'. I make that eleven 'ands', akk quite logical.