History of 13.2.15

Revisions on August 20, 2026

• Edits to “Statement”, “Solution”, “Answer”

  Valter Aug 20, 2026, 6:43 PM
  +3 −12 #20175
• New solutionnew solution

  Valter Aug 20, 2026, 6:41 PM
  +52 −0 #20174