Copyright (c) James A. Storer H-Slider Problem 7 ###################################################################### Rectilinear Solution Rectilinear steps: 36 Straight-Line steps: 38 Unit steps: 164 ###################################################################### #0: $ $ $ $ $ $ 3 3 3 1 1 1 3 3 3 1 1 1 3 3 3 1 1 1 2 2 2 H H B B B 2 2 2 H H B B B 2 2 2 H H B B B A A A H H H H H C C C A A A H X X X H C C C A A A H X X X H C C C $ $ $ H X X X H $ $ $ #1. Move 3 east (4 units): $ $ $ $ $ $ 3 3 3 1 1 1 3 3 3 1 1 1 3 3 3 1 1 1 2 2 2 H H B B B 2 2 2 H H B B B 2 2 2 H H B B B A A A H H H H H C C C A A A H X X X H C C C A A A H X X X H C C C $ $ $ H X X X H $ $ $ #2. Move 2 north (3 units): $ $ $ $ $ $ 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 H H B B B H H B B B H H B B B A A A H H H H H C C C A A A H X X X H C C C A A A H X X X H C C C $ $ $ H X X X H $ $ $ #3. Move A north (3 units): $ $ $ $ $ $ 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 A A A H H B B B A A A H H B B B A A A H H B B B H H H H H C C C H X X X H C C C H X X X H C C C $ $ $ H X X X H $ $ $ #4. Move H north (4 units): $ $ $ H 3 3 3 H $ $ $ 2 2 2 H 3 3 3 H 1 1 1 2 2 2 H 3 3 3 H 1 1 1 2 2 2 H H H H H 1 1 1 A A A H X X X H B B B A A A H X X X H B B B A A A H X X X H B B B C C C C C C C C C $ $ $ $ $ $ #5. Move C west (8 units): $ $ $ H 3 3 3 H $ $ $ 2 2 2 H 3 3 3 H 1 1 1 2 2 2 H 3 3 3 H 1 1 1 2 2 2 H H H H H 1 1 1 A A A H X X X H B B B A A A H X X X H B B B A A A H X X X H B B B C C C C C C C C C $ $ $ $ $ $ #6. Move B south (3 units): $ $ $ H 3 3 3 H $ $ $ 2 2 2 H 3 3 3 H 1 1 1 2 2 2 H 3 3 3 H 1 1 1 2 2 2 H H H H H 1 1 1 A A A H X X X H A A A H X X X H A A A H X X X H C C C B B B C C C B B B C C C B B B $ $ $ $ $ $ #7. Move 1 south (3 units): $ $ $ H 3 3 3 H $ $ $ 2 2 2 H 3 3 3 H 2 2 2 H 3 3 3 H 2 2 2 H H H H H A A A H X X X H 1 1 1 A A A H X X X H 1 1 1 A A A H X X X H 1 1 1 C C C B B B C C C B B B C C C B B B $ $ $ $ $ $ #8. Move H south (4 units): $ $ $ $ $ $ 2 2 2 2 2 2 2 2 2 A A A H 3 3 3 H 1 1 1 A A A H 3 3 3 H 1 1 1 A A A H 3 3 3 H 1 1 1 C C C H H H H H B B B C C C H X X X H B B B C C C H X X X H B B B $ $ $ H X X X H $ $ $ #9. Move 2 east (8 units): $ $ $ $ $ $ 2 2 2 2 2 2 2 2 2 A A A H 3 3 3 H 1 1 1 A A A H 3 3 3 H 1 1 1 A A A H 3 3 3 H 1 1 1 C C C H H H H H B B B C C C H X X X H B B B C C C H X X X H B B B $ $ $ H X X X H $ $ $ #10. Move A north (3 units): $ $ $ $ $ $ A A A 2 2 2 A A A 2 2 2 A A A 2 2 2 H 3 3 3 H 1 1 1 H 3 3 3 H 1 1 1 H 3 3 3 H 1 1 1 C C C H H H H H B B B C C C H X X X H B B B C C C H X X X H B B B $ $ $ H X X X H $ $ $ #11. Move C north (3 units): $ $ $ $ $ $ A A A 2 2 2 A A A 2 2 2 A A A 2 2 2 C C C H 3 3 3 H 1 1 1 C C C H 3 3 3 H 1 1 1 C C C H 3 3 3 H 1 1 1 H H H H H B B B H X X X H B B B H X X X H B B B $ $ $ H X X X H $ $ $ #12. Move H north (4 units): $ $ $ H 3 3 3 H $ $ $ A A A H 3 3 3 H 2 2 2 A A A H 3 3 3 H 2 2 2 A A A H H H H H 2 2 2 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 B B B B B B B B B $ $ $ $ $ $ #13. Move B west (8 units): $ $ $ H 3 3 3 H $ $ $ A A A H 3 3 3 H 2 2 2 A A A H 3 3 3 H 2 2 2 A A A H H H H H 2 2 2 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 B B B B B B B B B $ $ $ $ $ $ #14. Move 1 south (3 units): $ $ $ H 3 3 3 H $ $ $ A A A H 3 3 3 H 2 2 2 A A A H 3 3 3 H 2 2 2 A A A H H H H H 2 2 2 C C C H X X X H C C C H X X X H C C C H X X X H B B B 1 1 1 B B B 1 1 1 B B B 1 1 1 $ $ $ $ $ $ #15. Move 2 south (3 units): $ $ $ H 3 3 3 H $ $ $ A A A H 3 3 3 H A A A H 3 3 3 H A A A H H H H H C C C H X X X H 2 2 2 C C C H X X X H 2 2 2 C C C H X X X H 2 2 2 B B B 1 1 1 B B B 1 1 1 B B B 1 1 1 $ $ $ $ $ $ #16. Move H south (4 units): $ $ $ $ $ $ A A A 3 3 3 A A A 3 3 3 A A A 3 3 3 C C C H H 2 2 2 C C C H H 2 2 2 C C C H H 2 2 2 B B B H H H H H 1 1 1 B B B H X X X H 1 1 1 B B B H X X X H 1 1 1 $ $ $ H X X X H $ $ $ #17. Move 3 east (3 units): $ $ $ $ $ $ A A A 3 3 3 A A A 3 3 3 A A A 3 3 3 C C C H H 2 2 2 C C C H H 2 2 2 C C C H H 2 2 2 B B B H H H H H 1 1 1 B B B H X X X H 1 1 1 B B B H X X X H 1 1 1 $ $ $ H X X X H $ $ $ #18. Move A ending south (2 segments, 7 units): $ $ $ $ $ $ 3 3 3 3 3 3 3 3 3 C C C H A A A H 2 2 2 C C C H A A A H 2 2 2 C C C H A A A H 2 2 2 B B B H H H H H 1 1 1 B B B H X X X H 1 1 1 B B B H X X X H 1 1 1 $ $ $ H X X X H $ $ $ #19. Move 3 west (7 units): $ $ $ $ $ $ 3 3 3 3 3 3 3 3 3 C C C H A A A H 2 2 2 C C C H A A A H 2 2 2 C C C H A A A H 2 2 2 B B B H H H H H 1 1 1 B B B H X X X H 1 1 1 B B B H X X X H 1 1 1 $ $ $ H X X X H $ $ $ #20. Move 2 north (3 units): $ $ $ $ $ $ 3 3 3 2 2 2 3 3 3 2 2 2 3 3 3 2 2 2 C C C H A A A H C C C H A A A H C C C H A A A H B B B H H H H H 1 1 1 B B B H X X X H 1 1 1 B B B H X X X H 1 1 1 $ $ $ H X X X H $ $ $ #21. Move 1 north (3 units): $ $ $ $ $ $ 3 3 3 2 2 2 3 3 3 2 2 2 3 3 3 2 2 2 C C C H A A A H 1 1 1 C C C H A A A H 1 1 1 C C C H A A A H 1 1 1 B B B H H H H H B B B H X X X H B B B H X X X H $ $ $ H X X X H $ $ $ #22. Move H north (4 units): $ $ $ H A A A H $ $ $ 3 3 3 H A A A H 2 2 2 3 3 3 H A A A H 2 2 2 3 3 3 H H H H H 2 2 2 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 B B B B B B B B B $ $ $ $ $ $ #23. Move B east (8 units): $ $ $ H A A A H $ $ $ 3 3 3 H A A A H 2 2 2 3 3 3 H A A A H 2 2 2 3 3 3 H H H H H 2 2 2 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 C C C H X X X H 1 1 1 B B B B B B B B B $ $ $ $ $ $ #24. Move C south (3 units): $ $ $ H A A A H $ $ $ 3 3 3 H A A A H 2 2 2 3 3 3 H A A A H 2 2 2 3 3 3 H H H H H 2 2 2 H X X X H 1 1 1 H X X X H 1 1 1 H X X X H 1 1 1 C C C B B B C C C B B B C C C B B B $ $ $ $ $ $ #25. Move 3 south (3 units): $ $ $ H A A A H $ $ $ H A A A H 2 2 2 H A A A H 2 2 2 H H H H H 2 2 2 3 3 3 H X X X H 1 1 1 3 3 3 H X X X H 1 1 1 3 3 3 H X X X H 1 1 1 C C C B B B C C C B B B C C C B B B $ $ $ $ $ $ #26. Move H south (4 units): $ $ $ $ $ $ 2 2 2 2 2 2 2 2 2 3 3 3 H A A A H 1 1 1 3 3 3 H A A A H 1 1 1 3 3 3 H A A A H 1 1 1 C C C H H H H H B B B C C C H X X X H B B B C C C H X X X H B B B $ $ $ H X X X H $ $ $ #27. Move 2 west (8 units): $ $ $ $ $ $ 2 2 2 2 2 2 2 2 2 3 3 3 H A A A H 1 1 1 3 3 3 H A A A H 1 1 1 3 3 3 H A A A H 1 1 1 C C C H H H H H B B B C C C H X X X H B B B C C C H X X X H B B B $ $ $ H X X X H $ $ $ #28. Move 1 north (3 units): $ $ $ $ $ $ 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 3 3 3 H A A A H 3 3 3 H A A A H 3 3 3 H A A A H C C C H H H H H B B B C C C H X X X H B B B C C C H X X X H B B B $ $ $ H X X X H $ $ $ #29. Move B north (3 units): $ $ $ $ $ $ 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 3 3 3 H A A A H B B B 3 3 3 H A A A H B B B 3 3 3 H A A A H B B B C C C H H H H H C C C H X X X H C C C H X X X H $ $ $ H X X X H $ $ $ #30. Move H north (4 units): $ $ $ H A A A H $ $ $ 2 2 2 H A A A H 1 1 1 2 2 2 H A A A H 1 1 1 2 2 2 H H H H H 1 1 1 3 3 3 H X X X H B B B 3 3 3 H X X X H B B B 3 3 3 H X X X H B B B C C C C C C C C C $ $ $ $ $ $ #31. Move C east (8 units): $ $ $ H A A A H $ $ $ 2 2 2 H A A A H 1 1 1 2 2 2 H A A A H 1 1 1 2 2 2 H H H H H 1 1 1 3 3 3 H X X X H B B B 3 3 3 H X X X H B B B 3 3 3 H X X X H B B B C C C C C C C C C $ $ $ $ $ $ #32. Move 3 south (3 units): $ $ $ H A A A H $ $ $ 2 2 2 H A A A H 1 1 1 2 2 2 H A A A H 1 1 1 2 2 2 H H H H H 1 1 1 H X X X H B B B H X X X H B B B H X X X H B B B 3 3 3 C C C 3 3 3 C C C 3 3 3 C C C $ $ $ $ $ $ #33. Move 2 south (3 units): $ $ $ H A A A H $ $ $ H A A A H 1 1 1 H A A A H 1 1 1 H H H H H 1 1 1 2 2 2 H X X X H B B B 2 2 2 H X X X H B B B 2 2 2 H X X X H B B B 3 3 3 C C C 3 3 3 C C C 3 3 3 C C C $ $ $ $ $ $ #34. Move H south (4 units): $ $ $ $ $ $ 1 1 1 1 1 1 1 1 1 2 2 2 H A A A H B B B 2 2 2 H A A A H B B B 2 2 2 H A A A H B B B 3 3 3 H H H H H C C C 3 3 3 H X X X H C C C 3 3 3 H X X X H C C C $ $ $ H X X X H $ $ $ #35. Move 1 west (8 units): $ $ $ $ $ $ 1 1 1 1 1 1 1 1 1 2 2 2 H A A A H B B B 2 2 2 H A A A H B B B 2 2 2 H A A A H B B B 3 3 3 H H H H H C C C 3 3 3 H X X X H C C C 3 3 3 H X X X H C C C $ $ $ H X X X H $ $ $ #36. Move A ending east (2 segments, 7 units): $ $ $ $ $ $ 1 1 1 A A A 1 1 1 A A A 1 1 1 A A A 2 2 2 H H B B B 2 2 2 H H B B B 2 2 2 H H B B B 3 3 3 H H H H H C C C 3 3 3 H X X X H C C C 3 3 3 H X X X H C C C $ $ $ H X X X H $ $ $