Origami Checkerboard


#36

Legend
Valley folding
Mountain folding
0.
 □□□□□
 □□□□□
\□□□□□
 □□□□□
 □□□□□
←  \
1.
      ←
 □□□□□
 □□□□□
 □□□□□
 \□□□□
  \□□□
     
2.
↑
 □□□■ 
 □□□■
 □□□■
 \□□■
  \□■
3.
 □□□■
 □□□■
 \□□■ 
  \□■
     ↑
4.
→ 
 □□□■
 □□□■
 \□■■
  
5.
  □□■
  ■□■
  □■■

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