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0511-0520

511. Game Play Analysis I $\star$

512. Game Play Analysis II $\star$

513. Find Bottom Left Tree Value $\star\star$

514. Freedom Trail $\star\star\star$

515. Find Largest Value in Each Tree Row $\star\star$

516. Longest Palindromic Subsequence $\star\star$

517. Super Washing Machines $\star\star\star$

518. Coin Change 2 $\star\star$

519. Random Flip Matrix $\star\star$

520. Detect Capital $\star$