"Can you draw this shape without lifting your pen?" /
"你能不抬笔就画出这个图形吗？"
CHAPTER 4: LOGIC & PATTERNS / 第四章：逻辑与规律
有趣的
有趣的
一笔画
Euler Path Drawing
Discover the secret of one-stroke drawing using Euler's rule about odd and even vertices! /
用欧拉关于奇偶顶点的规则，发现一笔画的秘密！
ESTIMATED TIME
schedule
30:00 MINS
MISSION REWARD
emoji_events
150 XP
DifficultyLvl 22 Expert