Không rõ —
The Sandwiched Horse Defense Manual #11
Same-direction direct chariot vs lateral chariot — red two-headed snake vs black twin lateral chariots
Same-direction direct chariot vs lateral chariot — red two-headed snake vs black twin lateral chariots
Same-direction direct chariot vs lateral chariot — red two-headed snake vs black twin lateral chariots
Same-direction direct chariot vs lateral chariot — red two-headed snake vs black twin lateral chariots