〈a, b | aaab=ba, bbba=a〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right a/b

Complete rewriting system

1. a²⁷ ⇒ a
2. ab ⇒ ba⁹
3. b³a ⇒ a

Right Cayley graph (truncated)

Left Cayley graph (truncated)