2. Let I be the alphabet = {0,1,2,3,4}. Then using | Chegg.com
Is This Some Kind of Code? You Can Solve the … - The New York Times
Calligraphy and Hand Lettering For Beginner with Alphabet Guide and Practice Sheet: 4 Section with 4 Font Type and Free Form Lettering For Beginner's: (Paperback) | Hooked