| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 9 | 〈a, b | aaa=1, abbb=ba〉 | Finite non-commutative monoid with 81 elements | 2 isomorphic, 1 anti-isomorphic |
| 11 | 〈a, b | aaa=1, ababab=ba〉 | Finite non-commutative monoid with 81 elements |
| Length: | Presentation: |
|---|---|
| 11 | 〈a, b | aaa=1, abbba=aab〉 |