All solutions are 1-indexed. Puzzles where order doesn't matter are marked with an asterisk *

2-2
  puzzle 1
    ↗,↖,↘,↙ (absolute)
    ↗,↖,+0,+0 (relative)
  puzzle 2
    ↗,↖,↘,↙ (absolute)
    ↗,+0,+0,+0 (relative)
3-3
  *2,3 (can do in one move)
  *4,3,1 (as above)
  *3,4,1 (as above)
4-3
  3,4,2 (**must** do in one move)
  3,3,2
4-4
  *1
  *3,2
  *3,3,2 (same levers as last puzzle)
  *1,1,2,2,3,3
  *4,4,1 (then climb green and yellow)
  *1,2,3,3 (same levers, climb green)
4-9
  puzzle 1
    5,1,3,4,2 (absolute)
    5,-2,-1,+2,+1 (relative)

Below are videos of each puzzle. These are very short so I recommend checking each of them before doing your first run - so that you familiarise yourself with the puzzle and with the notation.

• 2-2
  • puzzle 1
  • puzzle 2
• 3-3
  • 2,3
  • 4,3,1
  • 3,4,1
• 4-3
  • 3,4,2
  • 3,3,2
• 4-4
  • 1
  • 3,2
  • 3,3,2
  • 1,1,2,2,3,3
  • 4,4,1
  • 1,2,3,3
• 4-9
  • puzzle 1