- For each quest there are 10 pieces of glass to break. Use or to break 4 of the pieces of glass. For the remaining 6 pieces, in 2 groups with 3 pieces of glass each, use , , or to break them.
- Description: The first value of each column is cost of single buy (break 1 piece of glass). The second value (in bracket) is cost of buy all, suppose only this item type left (other types are done).
- Formula: The cost of current BUY ALL = SUM of all remaining single buy down * 0.85 (discount 15%). The value will be rounded up to the nearest larger integer (ceiling).