"Simulator" : )
Gates
1
2
3
4
5
6
7
8
(checked = closed)
Levers
a
b
c
d
e
f
g
h
i
(t = toggles, o = opens, c = closes)
Log
Notes
Gate Toggled Opened Closed 1 a d e 2 f . . 3 c abfh d 4 g e b 5 dg . af 6 . f . 7 . b ch 8 . c i
Lever Toggles Openes Closes a 1 3 5 b . 73 4 c 3 8 7 d 5 1 3 e . 4 1 f 2 36 5 g 45 . . h . 3 7 i . . 8
Fig:
SPOILER: five strokes solution can be seen in the sourcecode of this page.