EnderQuary

arg = {...}
arg[1] = arg[1]+0
arg[2] = arg[2]+0


function row (a)
    for i=1, a-1, 1 do
    turtle.dig()
    place()
    end
    item()
end

function place ()
    turtle.digDown()
    turtle.placeDown()
    turtle.forward()
    item()
end

function item ()
    if (turtle.getItemCount(c) == 0) then
        c = c +1
        turtle.select(c)
    end
end

    x=(arg[1]+1)/2
    row(arg[1])
    turtle.turnLeft()
    row(arg[2])
    turtle.turnLeft()
    row(arg[1])
    turtle.turnLeft()
    row(arg[2])