GET /abcd
GET /abcd0123456
GET /bcda
GET /bcda0123456
GET /cdab
GET /cdab0123456
GET /dabc
GET /dabc0123456
GET /XXX/:id(\d+)
GET /1abcd
GET /2bcda
GET /3cdab
GET /4dabc
GET /abcd1
GET /bcda2
GET /cdab3
GET /dabc4
