348618.fig.0011
Figure 11: Arrangement ( 𝑏 0 , 𝑏 1 , 𝑏 2 , 𝑏 3 ) = ( 2 , 3 , 6 , 7 ) or ( 𝐵 , 𝜇 , 𝑘 , 𝑛 ) = ( 2 , 4 , 4 , 5 ) . Left side shows symbols of the principal and other circles, and right side shows Pythagorean triples.