Execute Lua Online

math.randomseed(os.time())
local trials = 100
local iter = 1
local targetpercent = 0.99
function recur()
    local tot = 0
    for c = 1, trials do
        local b = false
        local x = 1
        while b == false and x <= iter do
            r = math.random(127)
            if r <= 127 and r > 63 then
                tot = tot + 1
                b = true
            end
            x = x + 1
        end
        
    end
    if tot/trials <= targetpercent then
        iter = iter + 1
        x = 1
        tot = 0
        recur()
    end
end
local totiter = 0
for c = 1, 100 do
    recur()
    totiter = iter + totiter
    iter = 1
end
print (totiter/trials)
print ("588 tier 7, 268 tier 6, 120 tier 5, 58 tier 4, 31 tier 3, 15 tier 2, 7 tier 1")