Trihex Oddities

A polyhex oddity is a plane figure with binary symmetry formed by joining an odd number of copies of a polyhex. Here are the minimal known oddities for the three trihexes. Please write if you find a smaller solution or solve an unsolved case.

For tetrahexes and pentahexes, see Pentahex Oddities. For hexahexes, see Hexahex Oddities.

Rowwise
Bilateral Columnwise
Bilateral Birotary Double
Bilateral Ternary on Cell
Rowwise
Bilateral Ternary on Cell
Columnwise
Bilateral Ternary on Vertex
Rowwise
Bilateral

1
9
11
11
3
9
1

1
1
1
1
3
9
3

3
1
5
5
9
3
3