local blocks = 64
local right = false

while blocks ~= 0 do
    for i=1,14 do
        turtle.digDown()
        turtle.placeDown()
        for n=1,5 do
            turtle.dig()
            turtle.forward()
        end
    end
    if right == true then
        turtle.turnRight()
        right = false
    else
        turtle.turnLeft()
        right = true
    end
    for i=1,5 do
        turtle.dig()
        turtle.forward()
    end
        if right == false then
        turtle.turnRight()
    else
        turtle.turnLeft()
    end
end