Ingredient Stats
Power Level: 		[1..10]
Ingredient Identifier: 	[1..10]

Example Ingredients

Ingredient	Power	Id
Cobwebs		1	2
Troll's Tooth	6	5
Dragon's Eye	10	9

Witch
Identifier	[1..20]

Witch A has Identifier 3.
She puts Dragon's Eye, Troll's Tooth and Cobwebs into a cauldron in that order.
Spell Index = (9+3)*100 + (5+3)*10 + (2+3)*1 = 1200+80+5=1285
Spell Power = (1+6+9)/3 = 5

That means: Spell number 1285, spell power 5.