Ambidextrous Moving Sofa Constant (41b)

Ambidextrous Moving Sofa Constant

41b

Upper bound, last-listed row

| 2.2195 | [Baek2024] | Naive bound from $C\_{41a}$ |tracked since 2026-07-24 — no movement seen yet

Lower bound, last-listed row

| 1.64495521 | [Romik2016] | |tracked since 2026-07-24 — no movement seen yet

Cite this row

Bounds Ledger — Ambidextrous Moving Sofa Constant (41b)
upper bound: 2.2195 (tracked since 2026-07-24 — no movement seen yet)
lower bound: 1.64495521 (tracked since 2026-07-24 — no movement seen yet)
Mirrored from teorth/optimizationproblems@2c1968c. These are the last-listed rows of that constant's bounds table — a listing position, not a statement that this bound is the strongest or most recent. A snapshot at that sha, not a live read.
https://u00dxk2.github.io/bounds-ledger/c/41b.html