quarry

for a = 1, 1 do
turtle.digDown()
turtle.down()
end
for i = 1, 65 do
for k = 1, 8 do
for q = 1, 8 do
turtle.dig()
turtle.forward()
end
if k % 2 == 0 then
if k < 8 then
turtle.turnLeft()
turtle.dig()
turtle.forward()
turtle.turnLeft()
else
turtle.turnRight()
for i = 1, 8 do
turtle.forward()
end
turtle.turnRight()
turtle.digDown()
turtle.down()
turtle.refuel()
end
else
turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnRight()
end
end
end