<span style="white-space:pre;"><img src="http://www.mahjong.org/images/haiga/sou1.gif" width="24" height="34" alt="s1"><img src="http://www.mahjong.org/images/haiga/sou2.gif" width="24" height="34" alt="s2"><img src="http://www.mahjong.org/images/haiga/sou2.gif" width="24" height="34" alt="s2"><img src="http://www.mahjong.org/images/haiga/sou3.gif" width="24" height="34" alt="s3"></span> から <span style="white-space:pre;"><img src="http://www.mahjong.org/images/haiga/ysou2.gif" width="34" height="24" alt="s2-"><img src="http://www.mahjong.org/images/haiga/sou1.gif" width="24" height="34" alt="s1"><img src="http://www.mahjong.org/images/haiga/sou3.gif" width="24" height="34" alt="s3"></span> で鳴くと <span style="white-space:pre;"><img src="http://www.mahjong.org/images/haiga/sou2.gif" width="24" height="34" alt="s2"><img src="http://www.mahjong.org/images/haiga/sou2.gif" width="24" height="34" alt="s2"></span> が残るが、現物喰替えに当たるため打牌できなくなってしまう。 <span style="white-space:pre;"><img src="http://www.mahjong.org/images/haiga/sou1.gif" width="24" height="34" alt="s1"><img src="http://www.mahjong.org/images/haiga/sou2.gif" width="24" height="34" alt="s2"><img src="http://www.mahjong.org/images/haiga/sou3.gif" width="24" height="34" alt="s3"><img src="http://www.mahjong.org/images/haiga/sou4.gif" width="24" height="34" alt="s4"></span> から <span style="white-space:pre;"><img src="http://www.mahjong.org/images/haiga/ysou1.gif" width="34" height="24" alt="s1-"><img src="http://www.mahjong.org/images/haiga/sou2.gif" width="24" height="34" alt="s2"><img src="http://www.mahjong.org/images/haiga/sou3.gif" width="24" height="34" alt="s3"></span> で鳴いて <span style="white-space:pre;"><img src="http://www.mahjong.org/images/haiga/sou1.gif" width="24" height="34" alt="s1"><img src="http://www.mahjong.org/images/haiga/sou4.gif" width="24" height="34" alt="s4"></span> が残るケースと同様にチーできないよう修正が必要(嵌張で鳴いた場合の考慮漏れ)。