Fig. 3
From: CalliFormer: a structure-aware transformer for Chinese calligraphy generation

Examples of component sequences. The first and second characters share the same component code k1 as 46, and the second and third characters share the same k2 as 48 and k3 as 81. The first and second characters have the same structure (left-right), and the second and third characters have the same structure (top-bottom).