English: Hexagonal "serpentile" with three paths linking the six sides. The filename has embedded configurational information:
"Hexagon (xyz) AB-CD-EF, where
xyz provides the adjacency of paths:
x is the number of paths with adjacency 2, that is, the number of paths that link sides with two adjacent sides in between. For the regular six-sided hexagon, this means the path links opposing sides
y is the number of paths with adjacency 1.
z is the number of paths with adjacency 0, i.e., adjacent sides.
AB-CD-EF provide specific linked sides, with the convention being that sides are numbered sequentially in an anti-clockwise fashion starting from the lower right edge. Sides A and B are linked by a path; likewise, Sides C and D and Sides E and F. In this way an orthogonal rotation (60 degrees anti-clockwise) can be computed through modular arithmetic by incrementing the numbers by 1, modulo 6.
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