AHAHAHAHAHA - EAT EXPLOSIVE SHELL, AIRPORT-HIME!!!!!
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8 hours and 33 sorties, with about 12k/10k/9k resources and 89 buckets consumed, but it's finally done with no casualties!
It turns out that 2BB/2DD/CLT/CA is a great setup to chip down the bar - followed by 2BB/2CA/2CLT for the kill.
A lot of it is due to using double line on non-boss nodes. Yes, evasion isn't quite as good as line ahead, but it makes the difference between orange and red when you are cut-in - and sometimes reduces them to scratch damage. Also, once you've gotten her down to killable health, take a break - it seemed as though the RNG suddenly turned vicious, what with double attacks failing to crit, and cut-ins blasting to red, and H-node being suddenly very attractive. It went away later, though.
I don't think I can manage Musashi, though - I'm down to 25 buckets and 7k resources, and have examinations next week - so all the best, fellow teitokus!