Challenge: Red General's Offensive: The 'Empty Cannon' Strategy to Attack the Black General - Can you solve it?

Witness the classic formation where the Red Cannon on file 5, rank 9 and the Red Horse on file 5, rank 7 create an 'Empty Cannon' directly threatening the Black General. Detailed analysis of how the Red Chariot on file 5, rank 9 and the Red Elephant on file 7, rank 1 coordinate to launch an attack.