* xxx_and_chicken_24_chicken changes nick to xxx_and_chicken_23_chicken
* xxx_and_chicken_23_chicken changes nick to xxx_and_chicken_22_chicken
* xxx_and_chicken_22_chicken changes nick to xxx_and_chicken_20_chicken
* xxx_and_chicken_20_chicken changes nick to xxx_and_chicken_29_chicken
<yyy> “xxx” has broken?