Origami Checkerboard


#03

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

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