Challenge: Xiangqi Position: Red Rook Charges Straight, Black Cannon Trapped - Lessons from the Battle of Xicheng - Can you solve it?

In this position, the Red Rook on File 7 is preparing to charge straight at the Black Rook on File 6 Rank 3. The Black Cannon on File 2 Rank 10 is trapped by the Red Pawn on File 5 Rank 9 and the Red Bishop on File 5 Rank 3. This is a similar situation to the Battle of Xicheng, where the opponent concentrates forces to eliminate the weak piece.