Assignment 139: Personal Symbolic Mask
Personal Symbolic Mask: https://docs.google.com/drawings/d/151ksOvaQoACqCqkb2JXKFDp9ybC5-b_SFnsF8cqR8kc/copy
Personal Symbolic Mask: https://docs.google.com/drawings/d/151ksOvaQoACqCqkb2JXKFDp9ybC5-b_SFnsF8cqR8kc/copy