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