Origami Checkerboard


#43

Legend
Valley folding
Mountain folding
0.
       ←
 □□□□□□
 □□□□□□
 □□□□□□
 □□□□□□ 
 □□□□□□
 □□□□□□
1.
↑
 □□□■
 □□□■■ 
 □□□■■■
 □□□□□□
 □□□□□□
 □□□□□□
2.
       →
 □□□■■■
 □□□□□□
 □□□□□□
 □□□□□□
      
3.
 □□□■■
 □□□□□
 □□□□□ 
 □□□□□
↑
4.
←   
 □□□■■
 □□□□□
 ■■■■□
    
5.
    ■■□
    □□□
    ■□■
invented by Vesa Timonen on Sep 5, 2017

Nov 23, 2004 by k16@chiba.email.ne.jp