Four Examples with Same Pattern on Both Sides
Fig. 1:   Scales with blue and green edges	Fig. 2:   Scales with light edges
Fig. 3:   Diamonds with dark outline	Fig. 4:   Diamonds with mixed outline

Three Examples of Patterns with Different Front and Back
Front	Back
Fig. 5a:  Long islands - short islands	Fig. 5b:  Maze
Fig. 6a:  Ghostly eyes	Fig. 6b:  Wandering lines
Fig. 7a:  Basket Weave	Fig. 7b:  Waves