〈a, b | aaab=b, abbaa=b〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right b/a

Complete rewriting system

1. b⁸ ⇒ b
2. bab ⇒ ab³
3. ba² ⇒ a²b⁴
4. a³b ⇒ b

Right Cayley graph (truncated)

Left Cayley graph (truncated)