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&fras "../day_14.txt"
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⊜∘ ≠, @\n
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Input ←
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Tilt ← ⍜⊜□(∵(□⊏⍖.°□))≠@#.
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⍜⍉≡(Tilt) Input # tilt platform north
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=@O # keep rocks
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≡/+ # number of rocks per row
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⇌+1⇡⧻. # load amount per row
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× # load per row
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/+ # sum of row loads
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