タスク名日付ステータス開始時間終了時間孫A-1-aMar 22, 2023 → Mar 23, 2023DoneタスクANot started子A-1Not started孫A-1-bMar 23, 2023 → Mar 25, 2023Done孫A-1-cMar 25, 2023 → Mar 27, 2023子A-2Not started孫A-2-aMar 28, 2023Done孫A-2-bMar 30, 2023Done子A-3Not started