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examples:
koch snowflake
,
hilbert curve
,
spiral
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to car1 cs repeat 360[fd 1 rt 1] lt 90 fd 100 lt 90 repeat 360[fd 1 rt 1] repeat 180[fd 1 rt 1] lt 90 fd 20 rt 90 repeat 2[fd 150 rt 90 fd 250 rt 90] rt 90 fd 250 lt 90 repeat 2[fd 100 rt 90 fd 150 rt 90] end car1 to house cs bk 250 repeat 2[[fd 250 rt 90 fd 200 rt 90]] fd 250 rt 45 fd 140 rt 90 fd 140 pu home pd bk 250 rt 90 fd 50 lt 90 repeat 2[[fd 150 rt 90 fd 100 rt 90]] pu home pd rt 90 repeat 4[fd 50 rt 90] fd 200 rt 90 repeat 4[fd 50 rt 90] end
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