digceiling

function DigWidth(width)
    for i = 1, width do
        turtle.dig()
        turtle.drop()
        if turtle.forward() then
            print("Succesful move")
        else
            print("Move obstructed, digging again")
            turtle.dig()
            turtle.drop()
        end
        turtle.digUp()
        turtle.drop()
        turtle.digDown()
        turtle.drop()
    end
    turtle.turnLeft()
    turtle.dig()
    turtle.drop()
    if turtle.forward() then
        print("Succesful move")
    else
        print("Move obstructed, digging again")
        turtle.dig()
        turtle.drop()
    end
    turtle.digUp()
    turtle.drop()
    turtle.digDown()
    turtle.drop()
    turtle.turnLeft()
    for i = 1, width do
        turtle.dig()
        turtle.drop()
        if turtle.forward() then
        print("Succesful move")
    else
        print("Move obstructed, digging again")
        turtle.dig()
        turtle.drop()
    end
        turtle.digUp()
        turtle.drop()
        turtle.digDown()
        turtle.drop()
    end
    turtle.turnRight()
    turtle.dig()
    turtle.drop()
    if turtle.forward() then
        print("Succesful move")
    else
        print("Move obstructed, digging again")
        turtle.dig()
        turtle.drop()
    end
    turtle.digUp()
    turtle.drop()
    turtle.digDown()
    turtle.drop()
    turtle.turnRight()
end

function DigTime(distance)
    turtle.dig()
    turtle.drop()
    if turtle.forward() then
        print("Succesful move")
    else
        print("Move obstructed, digging again")
        turtle.dig()
        turtle.drop()
    end
    turtle.digUp()
    turtle.drop()
    turtle.digDown()
    turtle.drop()
    turtle.turnRight()
    for i = 1, distance do
        DigWidth(50)
    end
end

DigTime(40)