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a/exercises/practice/matrix/.meta/solution/MatrixReader.class.st b/exercises/practice/matrix/.meta/solution/Matrix.class.st similarity index 100% rename from exercises/practice/matrix/.meta/solution/MatrixReader.class.st rename to exercises/practice/matrix/.meta/solution/Matrix.class.st diff --git a/exercises/practice/matrix/Matrix.class.st b/exercises/practice/matrix/Matrix.class.st new file mode 100644 index 00000000..e69de29b diff --git a/exercises/practice/minesweeper/Minesweeper.class.st b/exercises/practice/minesweeper/Minesweeper.class.st new file mode 100644 index 00000000..e69de29b diff --git a/exercises/practice/pangram/Pangram.class.st b/exercises/practice/pangram/Pangram.class.st new file mode 100644 index 00000000..e69de29b diff --git a/exercises/practice/proverb/Proverb.class.st b/exercises/practice/proverb/Proverb.class.st new file mode 100644 index 00000000..e69de29b diff --git a/exercises/practice/raindrops/Raindrops.class.st 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