〈a, b | aab=bb, baaa=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right a/b

Complete rewriting system

1. ba¹² ⇒ ba⁹
2. a²b ⇒ ba³
3. b² ⇒ ba³
4. baba³ ⇒ ba⁶

Right Cayley graph (truncated)

Left Cayley graph (truncated)