On: One Million Checkboxes

[crdrost]

Slightly, yes! The Arecibo message was 73×23 bits, with the hope that the aliens would break lines after 23 bits. But,

    i f . t h e s 
    n e i l a . e
    s . l i k e .
    o r t s u o b
    p h e d o n .
    w . r e d r o
    e . a r e . k
    c s . a d n i
    r e w e d . o
    a . e h t . n
    r e c i b o .
    e g a s s e m
    . a n y w a y

and that's to say nothing of spiraling orders etc.

[defrost → crdrost]

Not enough boustrophedon order comments on HN, congrats.

[eru → crdrost]

I like 'conventional' order, and I could figure out your message block.

Give the aliens some credit, they might figure it out.