Unium
bw
3 条留言
dousha99 2015 年 12 月 4 日 上午 5:35 
This reminds me of a friend, who has a nickname called `bw'. Seriously, when I saw the title, I thought it was his puzzle :P
Devon  [作者] 2015 年 10 月 16 日 上午 9:35 
Thanks :-)
arbol01 2015 年 10 月 16 日 上午 3:20 
Wonderfull pattern. Tricky.