| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 10 | 〈a, b | aaaa=1, abbbb=b〉 | Finite non-commutative monoid with 52 elements | |
| 11 | 〈a, b | aaaa=ab, bbbb=b〉 | Finite non-commutative monoid with 52 elements | |
| 11 | 〈a, b | aaaa=1, ababbb=b〉 | Finite non-commutative monoid with 52 elements | 1 isomorphic |