From ISBN 1-899618-07-4. PP Class 71, [p4g,c4,d1], IH Class 71.

Statistics on this tiling:

- Tiling has symmetry
*p4g*. - Tiling has 4 polygons (with 20 edges) of which 1 are specified as copies of others.
- Edges are completely connected.
- Tiling is edge-to-edge.
- Tiling satisfies the two-polygon condition.
- Internal angles a multiple of 45°.
- Contains one non-regular polygon which has reflective symmetry.
- Contains: 2 squares.
- Tiling contains 193 polygons.