0x7d426110…245asent to0x000009bb…bf96·#21,169,176·view on Etherscan
Choose horizontal or vertical orientation.
If horizontal, draw 2-6 grids; if vertical, draw 2-8 grids.
Divide each grid equally into 2-6 columns and 2-8 rows.
Space the grids by one subdivision in the corresponding direction.
Ensure grid spacing does not exceed the margin.