nicoFix

function refuel()
cf = turtle.getFuelLevel()
mf = turtle.getFuelLimit()
fp = math.floor(cf/mf)*100
if fp <= 50 then
repeat
turtle.select(2)
turtle.refuel()
until fp >=70
end end

function TR()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
end

function TL()
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
end

function keep()
turtle.select(1)
while turtle.detectDown() do
for i = 3, 16 do
turtle.select(i)
turtle.dropDown()
end end end

function farm()
refuel()
index = 5
index2 = 5
while true do
while index > 0 do
turtle.forward()
index = index-1

while index == 0 and index2 == 5 do
TL()
index2 = index2-1

while index == 0 and index2 ==4 do
TR()

index = 5
end end end end end

farm()