Origami Checkerboard


#49

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

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