〈a, b | bab=abb, bbb=aa〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right b/a

Complete rewriting system

1. bab ⇒ ab²
2. b³a ⇒ ab³
3. a² ⇒ b³

Right Cayley graph (truncated)

Left Cayley graph (truncated)