Are any TOCFL band B mock tests available online, except the three on MOE's webpage?

I'm looking for any online resources for TOCFL band B, because I'm taking it next week and already know the answers to the 3 mock tests that are available on MOE website, so they are not challenging for me now. Preferably more official mock tests or real test booklets that took place earlier. If you know any Android apps with exercises and sample problems, then please include them too. Thanks

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