49. The Vertical Alliance Attacks the Horizontal
Hundred Variations Manual: 67 classical compositions
14 moves
约纵攻连横 — "The Vertical Alliance Attacks the Horizontal" Problem 49 of 百变神妙象棋谱, volume 1 (百变象棋谱(全70局)). Transcribed from http://www.dpxq.com/hldcg/search/view_u_283927.html