verticaldistance = 0
turtle.dig()
turtle.forward()
while turtle.detect() do
turtle.dig()
turtle.forward()
turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnRight()
turtle.digUp()
turtle.up()
verticaldistance = verticaldistance + 1
end
for i = 1, verticaldistance do
turtle.digDown()
turtle.down()
end