〈a, b | abb=aaa, bbaa=a〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right b/a

Complete rewriting system

1. ab⁶ ⇒ a
2. b²a ⇒ ab²
3. a² ⇒ ab⁴

Right Cayley graph (truncated)

Left Cayley graph (truncated)