Initial upload of hard (level 4,5) math dataset

Math dataset containing 60,000 examples from the hard (level 4,5) difficulty level. Includes algebra, arithmetic, matrix operations, combinatorics, geometry, and logic puzzles.

README.md

@@ -0,0 +1,35 @@
+---
+dataset_info:
+  features:
+  - name: id
+    dtype: string
+  - name: setting_key
+    dtype: string
+  - name: difficulty
+    dtype: string
+  - name: level
+    dtype: int32
+  - name: messages
+    sequence:
+    - name: role
+      dtype: string
+    - name: content
+      dtype: string
+  - name: ground_truth
+    dtype: string
+  - name: dataset
+    dtype: string
+  - name: omega_split
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 38216052
+    num_examples: 60000
+  download_size: 7785362
+  dataset_size: 38216052
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+---

data/train-00000-of-00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb15efbb91afef6717b6c85bf26c133d8f3cce5b52db6bb83b48339cfcc1e29e
+size 7785362