History of 13.1.5

Revisions on September 11, 2026

• Edit to “Solution”

  Tete Sep 11, 2026, 4:02 AM
  +1 −1 #20667
• Edits to “Statement”, “Solution”, “Answer”

  Tete Sep 11, 2026, 2:37 AM
  +4 −4 #20666
• New solutionnew solution

  Tete Sep 11, 2026, 2:34 AM
  +15 −0 #20665