- Problem 191,
- Problem 190,
- Problem 189,
- Problem 310,
- Problem 309,
- Problem 308,
- Problem 307,
- UCZMY SIĘ NA BŁĘDACH,
- Problem 188,
- Problem 187,
- Problem 186,
- Problem 185,
- Problem 306,
- Problem 305,
- Problem 304,
- Problem 303,
- Zapartyzm,
- Problem 184,
- Problem 183,
- Problem 182,
- Problem 181,
- Problem 302,
- Problem 301,
- Problem 300,
- Problem 299,
- Problem 180,
- Przedalim, przepilim,
- Problem 179,
- Problem 177,
- Problem 298,
- Problem 297,
- Problem 296,
- Problem 295,
- Problem 74,
- Problem 176,
- Problem 175,
- Problem 174,
- Problem 173,
- Problem 294,
- Problem 293,
- Problem 292,
- Problem 291,
- Kryptotechnika,
- Problem 172,
- Problem 171,
- Problem 290,
- Problem 289,
- Problem 288,
- Problem 287,
- Problem 73,
