Challenge: Red Strategy: Cannon Empty Square on File 4 - Core Tactics to Defeat 2 Advisors - Can you solve it?

Discover the Red's secret when facing the 'Black Advisor on File 5 Rank 9' and 'Red Pawn on File 4 Rank 9' formation. Deeply analyze the technique of how the Red Cannon on File 2 Rank 5 approaches the Black General, creating a 'Cannon Empty Square' to decisively eliminate the Black Advisor.