Unsolved Problems
- #151
The Pebble Game
- #152
Modular Test
- #153
Costly Coins
- #154
Vikas and Cows
- #155
Irreconcilable Differences
- #156
The Next Big Tower
- #157
For the love of tomatoes
- #158
Best Hacker in the World
- #159
Revenge of The Fox
- #160
Such Sum Wow
- #161
Binary Play
- #162
One Last Game
- #163
Bored with Shinigami
- #164
Kill the remaining chinese
- #165
L's Successor
