Origami Checkerboard


#29

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

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