refactor: new structure

tasks/space-exploration/docs/space-worksheet3.md

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+# Space Worksheet 3
+
+**Title:** Исследуй Планету
+**Subtitle:** Собери ресу��сы, решая примеры!
+**Footer bubble:** Итого собрано на планете:
+
+## Layout
+
+- 2 columns, 20 problems per page
+- Icons: mixed from pack1 and pack2
+
+## Notes
+
+9-page worksheet combining patterns from worksheet1 and worksheet2.
+Pages 1-3 use pack1 icons, pages 4-6 use pack2 icons, pages 7-9 use pack1 icons.
+
+## Pages
+
+### Page 1 (pack1)
+- **Task:** A + B +/- C, where A from 8 to 16, B from 4 to 8, C from 1 to 3. Sign +/- chosen randomly
+- **Hero:** spaceship1.jpeg, direction: row-reverse
+
+### Page 2 (pack1)
+- **Task:** 5 * N +/- C, where N from 1 to 5, C from 1 to 6. Sign +/- chosen randomly
+- **Hero:** spaceship2.jpeg, direction: row
+
+### Page 3 (pack1)
+- **Task:** A * B +/- C, where A and B from 1 to 4, C from 1 to 8. Sign +/- chosen randomly
+- **Hero:** spaceship3.png, direction: row-reverse
+
+### Page 4 (pack2)
+- **Task:** A + B + C, where A from 12 to 24, B +/-(from 6 to 10), C +/-(from 2 to 5). Result from 0 to 40 inclusive
+- **Hero:** spaceship4.jpeg, direction: row
+
+### Page 5 (pack2)
+- **Task:** 5 + 5 + 5 (adding fives: 2, 3 or 4) OR 5 * N (N from 1 to 12) OR 5 * N +/- 5
+- **Hero:** spaceship5.jpeg, direction: row-reverse
+
+### Page 6 (pack2)
+- **Task:** A * B + C * D, where A from 2 to 4, B from 1 to 3, C from 2 to 3, D from 1 to 2
+- **Hero:** spaceship6.jpeg, direction: row
+
+### Page 7 (pack1)
+- **Task:** A + B +/- C, where A from 8 to 16, B from 4 to 8, C from 1 to 3. Sign +/- chosen randomly
+- **Hero:** spaceship7.jpeg, direction: row-reverse
+
+### Page 8 (pack1)
+- **Task:** 5 * N +/- C, where N from 1 to 5, C from 1 to 6. Sign +/- chosen randomly
+- **Hero:** spaceship8.jpeg, direction: row
+
+### Page 9 (pack1)
+- **Task:** A * B +/- C, where A and B from 1 to 4, C from 1 to 8. Sign +/- chosen randomly
+- **Hero:** spaceship9.jpeg, direction: row-reverse