Create README.md

README.md

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+# Cube 
+This dataset contains 1.64 billion Rubik's Cube solves, totaling roughly 236.39 billion moves.  
+it is generated by Fugaku using https://github.com/trincaog/magiccube  
+
+Each solve has two columns: 'Cube' and 'Actions',
+- 'Cube': initial scrambled states of a 3-3-3 cube in string, such as:
+  
+      WOWWYOBWOOGWRBYGGOGBBRRYOGRWORBBYYORYBWRYBOGBGYGWWGRRY
+  - the visual state of this example is
+    ![image/png](https://cdn-uploads.huggingface.co/production/uploads/644b983f0fbe4830f192c4f5/uW0bWckCejpaw8gdZOFwM.png)
+    
+- 'Actions': list of string to depict the full rotate actions to bring the Cube back.
+    - ['U', 'U', 'B', 'B', 'D', 'F', "D'", 'U', 'F', 'F', "D'", 'F', 'D', "U'", 'R', "U'", "R'", "F'", 'U', 'U', 'F', 'B', "U'", "B'", 'U', 'B', "U'", "B'", "B'", 'U', 'B', 'F', 'U', 'U', "F'", "U'", "B'", 'U', 'B', 'U', 'L', "U'", "L'", "L'", 'U', 'L', 'U', 'F', "U'", "F'", 'R', "U'", "R'", "U'", "F'", 'U', 'F', "U'", 'B', "U'", "B'", "U'", "R'", 'U', 'R', "U'", "B'", 'U', 'B', 'U', 'L', "U'", "L'", 'U', "B'", 'U', 'B', 'U', 'L', "U'", "L'", 'F', 'R', 'U', "R'", "U'", "F'", 'U', 'U', 'R', "U'", "L'", 'U', "R'", "U'", 'L', 'U', 'F', "U'", "B'", 'U', "F'", "U'", 'B', 'U', 'U', "R'", "D'", 'R', 'D', "R'", "D'", 'R', 'D', 'U', "R'", "D'", 'R', 'D', "R'", "D'", 'R', 'D', "R'", "D'", 'R', 'D', "R'", "D'", 'R', 'D', 'U']
+  - please check the magiccube repo to learn the detail meaning of each rotation move.
+