controller

-- AM2 Chunk Eater Controller
-- Save as 'startup' file.
local f = 0
local l = 0
local r = 0
local b = 0
local default = 0
local backvar = 0
local wait = 2

function front()
 while(f<30) do
  redstone.setOutput("back", true)
  sleep(1)
  redstone.setOutput("back", false)
  f = f +1
  sleep(wait)
 end
 f = 0
end

function left()
 while(l<4) do
  redstone.setOutput("left", true)
  sleep(1)
  redstone.setOutput("left", false)
  l = l +1
  sleep(wait)
 end
 l = 0
end

function right()
 while(r<2) do
  redstone.setOutput("right", true)
  sleep(1)
  redstone.setOutput("right", false)
  r = r +1
  sleep(wait)
 end
 r = 0
end

function back()
 while(b<2) do
  redstone.setOutput("front", true)
  sleep(1)
  redstone.setOutput("front", false)
  b = b +1
  sleep(wait)
 end
 b = 0
end

while(true) do
 while(default<10) do
  -- move 20 forward
  front()
  -- move 3 back
  back()
  -- move 3 left
  left()
  -- move 20 forward
  front()
  default = default + 1
 end
 default = 0

 while(backvar<4) do
  back()
  right()
  backvar = backvar + 1
 end
 backvar = 0

end