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VTMO 2022 — Grade 2 — vtmo Question 4

VTMO · VTMO 2022 — Grade 2 — vtmo

Question 4

Four black boxes precede four white ones. Each move swaps two boxes. How many moves minimum to alternate colors?

Question illustration

Question illustration
  1. $1$
  2. $2$
  3. $3$
  4. $4$
  5. $5$