我會避免呢種overlap／差一兩個pixel嘅overlap：
https://i.imgur.com/5ySiAqV.png (Top diff 00:03:099 (1,2) - pixel)
https://i.imgur.com/LjBvuhA.png (Top diff 00:03:392 (2,2) - bad overlap)
https://i.imgur.com/2qtwhSe.png (Top diff 00:08:944 (7,1) - bad overlap)
https://i.imgur.com/0ZzWOK0.png (Hard 00:03:684 (3,1,2,3) - pixel)
https://i.imgur.com/DXuJab9.png (Hard 00:04:950 (2,3,1) - both)
https://i.imgur.com/bzgnhJ7.png (Hard 00:05:827 (2,2) - near stack,不如stack埋佢？)
Normal 都有類似嘅問題
建議一下唔好overlap一啲又或者就嚟overlap晒突番丁屎出嚟，因為比較影響美觀