Spectrum 70 AI-generated Copy + Revise

4 grids · reconstruct grid #4 · NARC on 3/7 models

Grid Sequence
The librarian worked left to right through the stacks, one shelf at a time. Each step she sorted one more column ascending from top to bottom, leaving the rest untouched. Column 0 was done, column 1 was done. The next shelf — column 2 — waited, its books still in their original jumble.
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