| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 10 | 〈a, b | abba=b, aaaaa=1〉 | Finite non-commutative monoid with 605 elements | |
| 10 | 〈a, b | aba=bb, aaaaa=1〉 | Finite non-commutative monoid with 605 elements | |
| 11 | 〈a, b | babab=a, bbbbb=1〉 | Finite non-commutative monoid with 605 elements |