CHAPTER 6 TWO-COLORED WALLPAPER PATTERNS 6.0 ...
CHAPTER 6 TWO-COLORED WALLPAPER PATTERNS 6.0 ...
CHAPTER 6 TWO-COLORED WALLPAPER PATTERNS 6.0 ...
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Fig. 6.40<br />
p b<br />
′ 2<br />
The first type (p2′ ) has color-reversing half turns only, the<br />
second (p b<br />
′ 2 ) has both color-preserving and color-reversing ones.<br />
6.5.2 From pg to p2. Let’s revisit those ‘root’ patterns of 6.2:<br />
Fig. 6.41<br />
pg → p2