ITEMS = {"IC2:itemUran235small", "IC2:itemUran238"}

CRAFT =    {ITEMS[2],	ITEMS[2],	ITEMS[2],	0,
			ITEMS[1],	ITEMS[1],	ITEMS[1],	0,
			ITEMS[2],	ITEMS[2],	ITEMS[2],	0,
			0,			0,			0,			0}

function craft()
	for j=1,16 do
		print('fixing slot ' .. j)
		turtle.select(j)
		local name = CRAFT[j]
		if name ~= 0 then
			local sum = 0
			local matches = {}
			for i=1,16 do
				local data = turtle.getItemDetail(i)
				if data and data.name == CRAFT[j] then
					sum = sum + data.count
					matches[#matches+1] = i
				end
			end
			local slots = 0
			for i=1,16 do
				if CRAFT[i] == ITEMS[j] then
					slots = slots + 1
				end
			end
			if slots ~= 0 and sum >= slots then
				local req = math.floor(sum/slots)
				if req > 64 then
					req = 64
				end
				data = turtle.getItemDetail(j)
				if data and data.name ~= name then
					local success = false
					for k=j+1, 16 do
						if turtle.transferTo(k) then
							success = true
							break
						end
						data = turtle.getItemDetail(j)
					end
					if not success then
						return false
					end
				end
				if data and data.name == name and data.count > req then
					local success = false
					for k=j+1, 16 do
						if turtle.transferTo(k,data.count - req) then
							success = true
							break
						end
						data = turtle.getItemDetail(j)
					end
					if not success then
						return false
					end
				end
				for i=1,#matches do
					local slot = matches[i]
					local quantity = turtle.getItemCount(slot)
					turtle.select(slot)
					print('getting from slot ' .. slot)
					if CRAFT[slot] == name and quantity > req and turtle.transferTo(j, quantity - req) then
						data = turtle.getItemDetail(j)
						if data and data.count >= req then
							break
						end
					elseif CRAFT[slot] == 0 and turtle.transferTo(j) then
						data = turtle.getItemDetail(j)
						if data and data.count >= req then
							break
						end
					end
					data = turtle.getItemDetail(j)
				end
			else
				return false
			end
		end
	end
	return true
end

while true do
	turtle.suck()
	if craft() then
		turtle.craft()
	end
end