 	public var description: String {
 		var string = String()
 		if let captured = 持駒辞書[.後手] {
-			string += "後手" + captured.string + "\r"
+			string += "後手: " + captured.string + "\r"
 		}
 		for rowIndex in 段型.全段 {
 			string += "|"

			}
			else { reportError(failedToDecode); return nil  }
		}
		先手持駒BitString = String(repeating: "0", count: 32)
		assert(先手持駒BitString.characters.count == 32)
		guard let 先手持駒BitValue = UInt32(binaryString: 先手持駒BitString) else { reportError(failedToDecode); return nil }
		let 先手持駒 = 持駒型(integerValue: 先手持駒BitValue)

			string += "\r"
		}
		if let captured = 持駒辞書[.先手] {
			string += "先手: " + captured.string + "\r"
		}
		return string
	}
