| 结果优先——UP型抽取过程 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A1&A1,A7,A8,A9,A10,A14,A19&A1 \\\hline A2&A2,A3,A4,A8,A9,A10,A13,A14,A15,A19,A21&A2 \\\hline A3&A3,A4,A8,A9,A10,A14,A15,A19&A3 \\\hline A4&A4,A8,A9,A10,A14,A19&A4 \\\hline A5&A4,A5,A8,A9,A10,A14,A15,A19&A5 \\\hline A6&A6,A8,A9,A10,A14,A19&A6 \\\hline A7&A7,A8,A9,A10,A14,A19&A7 \\\hline A8&\color{red}{\fbox{A8,A9,A10,A14,A19}}&\color{red}{\fbox{A8,A9,A10,A14,A19}} \\\hline A9&\color{red}{\fbox{A8,A9,A10,A14,A19}}&\color{red}{\fbox{A8,A9,A10,A14,A19}} \\\hline A10&\color{red}{\fbox{A8,A9,A10,A14,A19}}&\color{red}{\fbox{A8,A9,A10,A14,A19}} \\\hline A11&A2,A3,A4,A8,A9,A10,A11,A13,A14,A15,A19,A21&A11 \\\hline A12&A7,A8,A9,A10,A12,A14,A19&A12 \\\hline A13&A3,A4,A8,A9,A10,A13,A14,A15,A19&A13 \\\hline A14&\color{red}{\fbox{A8,A9,A10,A14,A19}}&\color{red}{\fbox{A8,A9,A10,A14,A19}} \\\hline A15&A4,A8,A9,A10,A14,A15,A19&A15 \\\hline A16&A3,A4,A5,A8,A9,A10,A14,A15,A16,A17,A19&A16 \\\hline A17&A4,A5,A8,A9,A10,A14,A15,A17,A19&A17 \\\hline A18&A3,A4,A5,A8,A9,A10,A14,A15,A17,A18,A19&A18 \\\hline A19&\color{red}{\fbox{A8,A9,A10,A14,A19}}&\color{red}{\fbox{A8,A9,A10,A14,A19}} \\\hline A20&A4,A8,A9,A10,A14,A19,A20&A20 \\\hline A21&\color{red}{\fbox{A21}}&\color{red}{\fbox{A21}} \\\hline \end{array} $$ |
| 抽取出A8、A9、A10、A14、A19、A21 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A1&A1,A7&A1 \\\hline A2&A2,A3,A4,A13,A15&A2 \\\hline A3&A3,A4,A15&A3 \\\hline A4&\color{red}{\fbox{A4}}&\color{red}{\fbox{A4}} \\\hline A5&A4,A5,A15&A5 \\\hline A6&\color{red}{\fbox{A6}}&\color{red}{\fbox{A6}} \\\hline A7&\color{red}{\fbox{A7}}&\color{red}{\fbox{A7}} \\\hline A11&A2,A3,A4,A11,A13,A15&A11 \\\hline A12&A7,A12&A12 \\\hline A13&A3,A4,A13,A15&A13 \\\hline A15&A4,A15&A15 \\\hline A16&A3,A4,A5,A15,A16,A17&A16 \\\hline A17&A4,A5,A15,A17&A17 \\\hline A18&A3,A4,A5,A15,A17,A18&A18 \\\hline A20&A4,A20&A20 \\\hline \end{array} $$ |
| 抽取出A4、A6、A7 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A1&\color{red}{\fbox{A1}}&\color{red}{\fbox{A1}} \\\hline A2&A2,A3,A13,A15&A2 \\\hline A3&A3,A15&A3 \\\hline A5&A5,A15&A5 \\\hline A11&A2,A3,A11,A13,A15&A11 \\\hline A12&\color{red}{\fbox{A12}}&\color{red}{\fbox{A12}} \\\hline A13&A3,A13,A15&A13 \\\hline A15&\color{red}{\fbox{A15}}&\color{red}{\fbox{A15}} \\\hline A16&A3,A5,A15,A16,A17&A16 \\\hline A17&A5,A15,A17&A17 \\\hline A18&A3,A5,A15,A17,A18&A18 \\\hline A20&\color{red}{\fbox{A20}}&\color{red}{\fbox{A20}} \\\hline \end{array} $$ |
| 抽取出A1、A12、A15、A20 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A2&A2,A3,A13&A2 \\\hline A3&\color{red}{\fbox{A3}}&\color{red}{\fbox{A3}} \\\hline A5&\color{red}{\fbox{A5}}&\color{red}{\fbox{A5}} \\\hline A11&A2,A3,A11,A13&A11 \\\hline A13&A3,A13&A13 \\\hline A16&A3,A5,A16,A17&A16 \\\hline A17&A5,A17&A17 \\\hline A18&A3,A5,A17,A18&A18 \\\hline \end{array} $$ |
| 抽取出A3、A5 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A2&A2,A13&A2 \\\hline A11&A2,A11,A13&A11 \\\hline A13&\color{red}{\fbox{A13}}&\color{red}{\fbox{A13}} \\\hline A16&A16,A17&A16 \\\hline A17&\color{red}{\fbox{A17}}&\color{red}{\fbox{A17}} \\\hline A18&A17,A18&A18 \\\hline \end{array} $$ |
| 抽取出A13、A17 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A2&\color{red}{\fbox{A2}}&\color{red}{\fbox{A2}} \\\hline A11&A2,A11&A11 \\\hline A16&\color{red}{\fbox{A16}}&\color{red}{\fbox{A16}} \\\hline A18&\color{red}{\fbox{A18}}&\color{red}{\fbox{A18}} \\\hline \end{array} $$ |
| 抽取出A2、A16、A18 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline A11&\color{red}{\fbox{A11}}&\color{red}{\fbox{A11}} \\\hline \end{array} $$ |
| 抽取出A11 剩余的情况如下 |
| 层级 | 结果优先——UP型 |
| 第0层 | A8,A9,A10,A14,A19,A21 |
| 第1层 | A4,A6,A7 |
| 第2层 | A1,A12,A15,A20 |
| 第3层 | A3,A5 |
| 第4层 | A13,A17 |
| 第5层 | A2,A16,A18 |
| 第6层 | A11 |