Method
Bottom-Left Fill
Constructive placement heuristic that drops each piece to the lowest-leftmost feasible position.
Also called: Bottom-Left Fill · BLF · 바텀-레프트
Last verified: 2026-05-27
A constructive placement rule: each piece is positioned as low as possible, then as far left as possible, without overlap; the "fill" variant also reuses gaps left by earlier placements. Often used as the inner placement step inside a metaheuristic search. Traces to Jakobs (1996).
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See also
Not directly linked, but conceptually close — by the connections and descriptions they share.