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IKMC 2006 - Grades 11-12 - Self-study Question 19

IKMC · IKMC 2006 - Grades 11-12 - Self-study

Question 19

A move swaps two cells in the same row or column. What minimum number transforms Fig.1 into Fig.2?

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