Vault Not Eject loots Truly Randomly.

If you create a backup of a world，you’d find that the order in which loots is obtained is the same as the order in the original world.Other words,you’ always get the loots of the vault in a same order wherever the vault is and whenever you unlock it,not obtain them randomly，it is only related to the order you unlock thevault.Therefore,follow this idea,other vault in a world would in a predetermined order to obtained the loots,not drawn from the vault loot pools randomly.And what's more,the same is true for the ominous vault.