shaft

term.clear()
term.setCursorPos(1,1)
print("how far?")
local x
local y
x = read()
y = 0
print("mining " ..x.. " meters")

turtle.select(1)

for i = 1, x do
   turtle.dig()
   turtle.forward()
   turtle.digUp()
   y = y+1
    while y>5 do
     turtle.placeUp()
     y = y-6
    end
end

turtle.turnLeft()
turtle.turnLeft()

for i = 1, x do
  turtle.forward()
end

turtle.turnRight()

for i = 2, 16 do
  turtle.select(i)
  turtle.drop()
end

turtle.turnRight()

print("mining cycle completed")