Challenge: Xiangqi: Red Chariot Retreats to 4-6 - Classic Trapping Strategy - Can you solve it?

A level 1/10 Xiangqi formation where the Red Chariot retreats to 4-6, exerting strong pressure. The Black General is trapped at 5-10, and the Red Pawn at 4-9 prepares to deliver a decisive thrust. The Red side's strategy to finish off the opponent in the fewest moves possible.