ASCII pron

                -- generate maze
        maze[route] = 5
        local tran = 0
        local j = 0
        local m = 0
        local b = 0

gen1 = function(j,m,b)
        j = math.random(4)
        m = j
        gen2(j,m,b)

end
gen2 = function(j,m,b)
        b = route + a[j]
        if maze[b] == 8 then
            maze[b] = j
            tran = route + (a[j]/2)
            maze[tran] = 7
            route = b
            gen1(j,m,b)
        end
        j = j + 1
        if j == 5 then
            j = 1
        end
        if j ~= m then
            gen2(j,m,b)
        end
        j = maze[route]
        maze[route] = 7
        if j < 5 then
            route = route - a[j]
            gen1(j,m,b)
        end

end