diff --git a/reasoning_gym/arithmetic/bitwise_arithmetic.py b/reasoning_gym/arithmetic/bitwise_arithmetic.py
index 5c76b962..a5fcf79a 100644
--- a/reasoning_gym/arithmetic/bitwise_arithmetic.py
+++ b/reasoning_gym/arithmetic/bitwise_arithmetic.py
@@ -147,7 +147,7 @@ class BitwiseArithmeticDataset(ProceduralDataset):
             self.config.difficulty,
         )
         problem_str = (
-            f"Please solve this problem. Assume there is arbitrary bit depth and that there are signed integers. Reply only with the final hexidecimal value.\n"
+            f"Please solve this problem. Assume there is arbitrary bit depth and that there are signed integers. If the answer is negative, reply as a negative value (ex., -0x3), not the two's-compliment form. Reply only with the final hexidecimal value.\n"
             + problem
         )
 
diff --git a/reasoning_gym/cognition/figlet_fonts.py b/reasoning_gym/cognition/figlet_fonts.py
index 70f2e5e8..4c16dec2 100644
--- a/reasoning_gym/cognition/figlet_fonts.py
+++ b/reasoning_gym/cognition/figlet_fonts.py
@@ -107,6 +107,54 @@ class FigletFontDataset(ProceduralDataset):
             "wow",
             "eftipiti",
             "relief2",
+            "mshebrew210",
+            "kik_star",
+            "puzzle",
+            "p_skateb",
+            "hypa_bal",
+            "tomahawk",
+            "timesofl",
+            "moscow",
+            "cola",
+            "baz__bil",
+            "stencil1",
+            "battlesh",
+            "tsn_base",
+            "kgames_i",
+            "binary",
+            "greek",
+            "mnemonic",
+            "panther_",
+            "b1ff",
+            "c_consen",
+            "horizontal_right",
+            "dwhistled",
+            "hex",
+            "flipped",
+            "high_noo",
+            "patorjk-hex",
+            "amc_3_liv1",
+            "gauntlet",
+            "cybersmall",
+            "octal",
+            "js_cursive",
+            "battle_s",
+            "deep_str",
+            "rally_s2",
+            "convoy__",
+            "atc_gran",
+            "grand_pr",
+            "ivrit",
+            "rammstein",
+            "horizontal_left",
+            "eftiwall",
+            "decimal",
+            "goofy",
+            "rot13",
+            "konto_slant",
+            "subteran",
+            "rally_sp",
+            "charset_",
         ]
         all_fonts = pyfiglet.FigletFont.getFonts()
         ok_fonts = list(filter(lambda x: x not in bad_fonts, all_fonts))