| Country |  Taiwan |
| Grade | Regular user |
| Ranking | 139 |
| Points | 303 / 1689 (17.94%) |
| Challenges | 32 / 98 (32.65%) |
| Website | http://l4ys.tw/ |
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| Last activity | Never |
| Last solve | Never |
| W3Challs | Send a private message |