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Adjusted to give squares and divided octagons. Similar to G & S, page 7, 10.1. Wade, page 34(d), and Cahier & Martin, page 76 (top). Also, Stronge, plates 8a and 15b from Agra, India.

This pattern is a member of an interesting class of mathematical patterns. PP Class 96, [p4m,d4,d2], IH Class 75.

Statistics on this tiling:

- Tiling has symmetry
*p4m*. - Tiling has 3 polygons (with 16 edges) of which 1 are specified as copies of others.
- Edges are completely connected.
- Tiling is edge-to-edge.
- Contains divided regular octagon.
- Tiling satisfies the two-polygon condition.
- Internal angles a multiple of 45°.
- Contains one non-regular polygon which has reflective symmetry.
- Contains: one square.
- Tiling contains 292 polygons.