function minecube()
 for i = 1 , 15 do
  turtle.digDown()
  turtle.forward()
 end
end
function turnright()
  turtle.turnRight()
  turtle.digDown()
  turtle.forward()
  turtle.turnRight()
  end
function turnleft()
  turtle.turnLeft()
  turtle.digDown()
  turtle.forward()
  turtle.turnLeft()
  end
 function layer()--mines 1 layer of land 32*32
  for i =  1 , 8 do
   minecube()--Mines straigt 31 ends on block 32
   turnright()--resets so mine cube can go
   minecube()
   turnleft()
   minecube()
   turnright()
 end
 function downdig()
  for i = 1 , 10 do
   turtle.down()
   layer()
   end
 end
 function dropoff10()
  for i = 1 , x do
   turtle.up()
  end
   turtle.turnRight()
   turtle.turnRight()
   turtle.drop()
   turtle.select(2)
   turtle.drop()
   turtle.select(3)
   turtle.drop()
   turtle.select(4)
   turtle.drop()
   turtle.select(5)
   turtle.drop()
   turtle.select(6)
   turtle.drop()
   turtle.select(7)
   turtle.drop()
   turtle.select(8)
   turtle.drop()
   turtle.select(9)
   turtle.drop()
   turtle.select(10)
   turtle.drop()
   turtle.select(11)
   turtle.drop()
   turtle.select(12)
   turtle.drop()
   turtle.select(13)
   turtle.drop()
   turtle.select(14)
   turtle.drop()
   turtle.select(15)
   turtle.drop()
   turtle.select(16)
   turtle.refuel()
   turtle.select(1)
   turtle.turnRight()
   turtle.turnRight()
 end
function minedown()
  downdig()
  dropoff10()
end
function gobottom()
 for i = 1 , x do
   turtle.down()
    end
  end
end
local x = 10
minedown()
gobottom()
print(x)
x = x + 10
print(x)
minedown()
gobottom()
x = x + 10
print(x)
minedown()
gobottom()
x = x + 10
minedown()