@AlZheimer#Alt4You a captcha with the text "select all squares with pipes" and nine pictures:
1 some plumbing
2 Magritte's picture of a pipe with 'ceci n'est pas une pipe' painted under it
3 a black plastic right angle pipe fitting
4 metal scaffolding
5 code:
`data %>℅
filter(x > 5) %>℅
mutate(y = x^2)`
6 a smoking pipe
7 code
`ls -l | grep ".txt" | sort`
8 a glass full of plastic straws
9 code
`mtcars |>
subset(mpg > 20)
|> nrow()`