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+## Todo :writing_hand: 
+
+- [ ] Unit testing
+    - [ ] `0-12` option delta with `16 bit` option length
+    - [ ] `13` option delta with...
+        - [ ] `0-12` option len
+        - [ ] `13` option len
+        - [ ] `14` option len
+    - [ ] `14` option delta with...
+        - [ ] `13` option len
+        - [ ] `14` option len