Is It Safe To Take An Extra Dosage Of Lantus?

If an accidental dose of Lantus 18 u was taken at 1pm instead of Novalog 18 u. For a glucose 497 and 6 unit of Novalog was then taken. What should be taken at 9pm for the evening dose ? The order today was changed from Lantus 25 units to Lantus 32 units. The last Blood sugar was 197 at 5pm