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Comments in green were written by me. Comments in blue were not written by me.
I feel compelled to admit that something over a hundred of the checks on day 14 were me after I gave up all hope of figuring out the elegant solution and just started counting up from what I had come up with as a lower limit. I really, really wanted a go at the logic puzzle.
At least my failed attempt to figure that one made me realize that I needed to change my answer to day 12.
Kim
on /blog/93
               

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