Triabolo-Tetrabolo Pair Oddities
A polyabolo oddity
is a symmetrical figure formed by an odd number of copies of
Symmetrical figures can also be formed with copies of two
Here are the smallest known fully symmetric polyaboloes with an odd
number of tiles, formed by copies of a given triabolo and tetrabolo,
using at least one of each.
Diabolo-Triabolo Pair Oddities,
Diabolo-Pentabolo Pair Oddities,
Pentomino Pair Oddities,
Hexiamond Pair Oddities,
Pentahex Pair Oddities,
and Trikite-Tetrakite Pair Oddities,
Helmut Postl and Johann Schwenke found some new and improved solutions.
Last revised 2022-09-22.
Back to Polyform Oddities
Col. George Sicherman