書名：第31回衝四勝作品觀摩
題名：巴拿馬運河
作者：太田剛
條件：黑先衝四勝

棋步內碼：
<param name=data value="78001100c100e200a100a200810082006100720062005200320022000200d300a300930054001300b500d50005006600a70046002800570008001700b900d8008a0098001a0088000a009900eb009b00ab00bc00cc008c009c005c007c000c00ed00bd00be000d005e009e006f004e003f000e000f00df00d200bf40">