囲碁習い(入門)

I have listed the questions for learning Go for the first time.
It consists of 21 units, all of which allow beginners to practice solving problems with 246 problems.
1. The way of life of stones
2. Stone removal
3. Make the stone alive
4. Atari on both sides
5. Connect the stones
6. Stone cutting
7. 1 line direction Atari
8. Atari in the direction of allies
9. Both Atari
10. No start
11. Ko
12. Fluttering
13. Conquest
14. Geta
15. Counterattack
16. Capturing race
17. Go
18. Ground / Missing Eye
19. Binocular life / death
20. No
21. Land calculation (counter)