mydb=# select cuid();
         cuid          
----------------------------
 ck2ag1r6h00ln320f2ejrthj1p
(1 row)

mydb=# select cuid();
         cuid          
----------------------------
 ck2ag1rkq00lo320f2g3ro0o7o
(1 row)

mydb=# select cuid();
         cuid          
----------------------------
 ck2ag1rsg00lp320f2f32ccfi3
(1 row)