local arg = {...}
local legth
if (arg[1] == nil) then
    length = 10
else
    length = arg[1]
end
for I = 0, length do
    if i < length then
        --turtle.dig()
        --turtle.digDown()
        --turtle.forward()
        i=i + 1
    else
        --turtle.turnRight()
        --turtle.dig()
        --turtle.digDown()
        --turtle.forward()
        --turtle.turnRight()
        --turtle.digDown()
    end
end