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< Problem:IOL | 2009
This problem is about Sulka and was written by Eugenia Korovina and Ivan Derzhanski. Given below are links to the problem in the working languages of the IOL.
| Language | Problem | Solution |
|---|---|---|
| English (A) | Problem:IOL/2009/i1/en(A) | |
| English | Problem:IOL/2009/i1/en | |
| Bangla* | Problem:IOL/2009/i1/bn | |
| Bulgarian | Problem:IOL/2009/i1/bg | |
| Chinese (S)* | Problem:IOL/2009/i1/zh | |
| Chinese (T)* | Problem:IOL/2009/i1/zt | |
| Czech | Problem:IOL/2009/i1/cs | |
| Danish* | Problem:IOL/2009/i1/da | |
| Dutch | Problem:IOL/2009/i1/nl | |
| English (B) | Problem:IOL/2009/i1/en(B) | |
| Estonian | Problem:IOL/2009/i1/et | |
| Finnish* | Problem:IOL/2009/i1/fi | |
| French* | Problem:IOL/2009/i1/fr | |
| German | Problem:IOL/2009/i1/de | |
| Hungarian* | Problem:IOL/2009/i1/hu | |
| Japanese* | Problem:IOL/2009/i1/ja | |
| Korean | Problem:IOL/2009/i1/ko | |
| Latvian* | Problem:IOL/2009/i1/lv | |
| Polish | Problem:IOL/2009/i1/pl | |
| Portuguese | Problem:IOL/2009/i1/pt(B) | |
| Romanian* | Problem:IOL/2009/i1/ro | |
| Russian | Problem:IOL/2009/i1/ru | |
| Slovenian | Problem:IOL/2009/i1/sl | |
| Spanish* | Problem:IOL/2009/i1/es | |
| Swedish | Problem:IOL/2009/i1/sv | |
| Turkish* | Problem:IOL/2009/i1/tr | |
| Ukrainian* | Problem:IOL/2009/i1/uk |
* Languages marked with an asterisk are unofficial translations.