STicket - queue code generator

Simple code generator for daily operation. It can quick and inexpensive to build a ticket system for special event, and no network required.

Features
- unique and no duplicated
- queuing and sequence
- human-readable
- distributed and mobility
- fixed length
- up to 20 devices

Alphabetic x2: sequence and predictable
Numeric: random and conflict solve

e.g. small business, reservation, restaurant, game, spacious activity