Edge last slot (ELS, MGLS step one)

Niche
Since the 2000s
Place the last slot's edge and orient every edge, the corner left free: 21 cases.
Source: Cubemuch, https://cubemuch.com/en/algs/3x3/els/, retrieved 2026-10-29: case names and groups, and each case's algorithms: those credited to the community sheets it cites first, in its order, then those its search found, best-scored first (no votes or setups). Every algorithm shown was checked by the logic engine; rejected ones are listed in docs/db-exclusions.md.