getObsidian

local function getObsidian()
    local d = 0
    for i=1,10 do
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.digDown()
        d = d + 1
    end
    return d
end

local distance = getObsidian()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
for m = 1,distance do
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.digDown()
end

print(distance.." meters.")