===== hairpins =====
^  hairpin  ^  assignment  ^
| [[http://rainbow.life.tsinghua.edu.cn/~avalon007/harpins/hp15.pdf | hp015]] |  yes  | 
| [[http://rainbow.life.tsinghua.edu.cn/~avalon007/harpins/hp16.pdf | hp016]] |  yes  |
| [[http://rainbow.life.tsinghua.edu.cn/~avalon007/harpins/hp17.pdf | hp017]] |  yes  |
| [[http://rainbow.life.tsinghua.edu.cn/~avalon007/harpins/hp18.pdf | hp018]] |  yes  |
| [[http://rainbow.life.tsinghua.edu.cn/~avalon007/harpins/hp19.pdf | hp019]] |  yes  |