local i,j
i=1
j=1
local x
local n
n=5
x=1
while x<= n do
i=1 
while i<=n do
j=1
  while j<=n-1 do
  ok=0
   local a,x=turtle.inspect()
   a=x.name
   if a=="minecraft:bedrock" then
   if j<n-1 then
   turtle.up()
   turtle.forward()
   turtle.forward()
   turtle.digDown()
   turtle.down()
   j=j+1
   else
   turtle.up()
   turtle.forward()
   local ok=1
   end
   else turtle.dig()
   turtle.forward()
   end
    j=j+1
    end
 if i==5 then
 turtle.turnRight()
 turtle.turnRight()
 else
 if i%2==0 then
   turtle.turnLeft()
   turtle.dig()
   turtle.forward()
   turtle.turnLeft()
  else
  if ok==1 then
  turtle.turnRight()
  turtle.forward()
  turtle.digDown()
  turtle.turnRight()
  turtle.down()
  else 
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    end
    end
    end
   i=i+1
   end
turtle.digDown()
turtle.down()
x=x+1
end