ref: 5031195edcfd6b0b5ef30d7830199c27801d5ba3 dir: /examples/accept.ref/
A 3 B 3 C 3 ABC 3 B 3 C 3 D 3 BCD 3 A 3 B 3 C 3 ABC 3 B 3 C 3 D 3 BCD 3 A 3 B 3 C 3 ABC 3 B 3 C 3 D 3 BCD 3 A 3 B 3 C 3 ABC 3 B 3 C 3 D 3 BCD 3