Two family toons finished one, two at the Japanese box office for the weekend of Sept. 19-20, reports VARIETY. DUELMASTERS, based on the trading card game, finished in the top spot. PENGUIN PROBLEM, the second part of the animated double bill, finished in second. The two films combined for a box office take of $2.2 million in its first two days, and $4.9 over the entire five-day Silver Week holiday.