I probably will move 3-Soldier advance 1, Black can
[1] 3-infantry advance 1, this will give me the option of 8-Artillery advance 4 to block and attack. This may cause blockade at Black right and cause a traffic jam.
[2] move 2-Horse advance 3, now then I move 7-Soldier advance 1 (2-head snake formation) to cause inconvenience to Black's 2 horses. Black most probably need to do patrol duty and trade one of Red's Soldier to open up at least one horse pathway to reduce the possible risk of weak attack firepower or weak link of horse when going for attack later.
[2A] If Black goes for even development on right by 2-artillery move to 1, Red can 8-Artillery move to 6 and use the versatile Phan Cong Ma (反宫马) formation.
[2B] If Black decides to open up one of its horse's pathway by trading one of Red's Soldier, Red can counter using the stable multi-options Binh Phong Ma (3-7-Horse) with 2-Artillery advance 2 to start attack on the patrolling rook.
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--------kurubear