Galvagni Figures & Reid Figures for Hexominoes
A hexomino is a figure made of six squares joined
edge to edge.
A Galvagni figure is a figure that can be tiled by a polyform
in more than one way—a kind of self-compatibility figure.
A Reid figure is a Galvagni figure without holes.
Most of the hexomino Galvagni and Reid figures were found by
Reid of the University of Central Florida
of Stetson University.
Corey Plover found the 12-tile Galvagni figure below.
See also Galvagni & Reid Figures for Pentominoes,
Galvagni & Reid Figures for Heptominoes,
Galvagni & Reid Figures for Octominoes,
Level Galvagni Figures
Level polyominoes may be reflected orthogonally and rotated 180° but
For a discussion of restricted-symmetry polyominoes see
Alexandre Owen Muñiz's A Polyformist's Toolkit.
Last revised 2019-04-29.
Back to Galvagni Compatibility
Col. George Sicherman