| 结果优先——UP型抽取过程 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline t1&t1,t5,t6,t8,t9,t10&t1,t9 \\\hline t2&t2,t5,t6,t8,t10&t2 \\\hline t3&t2,t3,t4,t5,t6,t8,t10&t3 \\\hline t4&t2,t4,t5,t6,t8,t10&t4 \\\hline t5&\color{red}{\fbox{t5,t6,t8,t10}}&\color{red}{\fbox{t5,t6,t8,t10}} \\\hline t6&\color{red}{\fbox{t5,t6,t8,t10}}&\color{red}{\fbox{t5,t6,t8,t10}} \\\hline t7&t5,t6,t7,t8,t10,t13&t7 \\\hline t8&\color{red}{\fbox{t5,t6,t8,t10}}&\color{red}{\fbox{t5,t6,t8,t10}} \\\hline t9&t1,t5,t6,t8,t9,t10&t1,t9 \\\hline t10&\color{red}{\fbox{t5,t6,t8,t10}}&\color{red}{\fbox{t5,t6,t8,t10}} \\\hline t11&t11,t13&t11 \\\hline t12&t5,t6,t8,t10,t12&t12 \\\hline t13&\color{red}{\fbox{t13}}&\color{red}{\fbox{t13}} \\\hline \end{array} $$ |
| 抽取出t5、t6、t8、t10、t13 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline t1&\color{red}{\fbox{t1,t9}}&\color{red}{\fbox{t1,t9}} \\\hline t2&\color{red}{\fbox{t2}}&\color{red}{\fbox{t2}} \\\hline t3&t2,t3,t4&t3 \\\hline t4&t2,t4&t4 \\\hline t7&\color{red}{\fbox{t7}}&\color{red}{\fbox{t7}} \\\hline t9&\color{red}{\fbox{t1,t9}}&\color{red}{\fbox{t1,t9}} \\\hline t11&\color{red}{\fbox{t11}}&\color{red}{\fbox{t11}} \\\hline t12&\color{red}{\fbox{t12}}&\color{red}{\fbox{t12}} \\\hline \end{array} $$ |
| 抽取出t1、t2、t7、t9、t11、t12 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline t3&t3,t4&t3 \\\hline t4&\color{red}{\fbox{t4}}&\color{red}{\fbox{t4}} \\\hline \end{array} $$ |
| 抽取出t4 剩余的情况如下 |
| $$\begin{array} {c|c|c|c|c|c|c|c}{} & R_{e} & T_{e} \\\hline t3&\color{red}{\fbox{t3}}&\color{red}{\fbox{t3}} \\\hline \end{array} $$ |
| 抽取出t3 剩余的情况如下 |
| 层级 | 结果优先——UP型 |
| 第0层 | t5,t6,t8,t10,t13 |
| 第1层 | t1,t2,t7,t9,t11,t12 |
| 第2层 | t4 |
| 第3层 | t3 |