Usage:

1. https://i.loli.best/{path}
   - https://i.loli.best/img-original/img/0000/00/00/00/00/00/12345678_p0.png

2. https://i.loli.best/{pid}[/{p}]
   - https://i.loli.best/12345678    (p0)
   - https://i.loli.best/12345678/0  (p0)
   - https://i.loli.best/12345678/1  (p1)

3. https://i.loli.best/(original|regular|large|medium|small|thumb|mini)/{pid}[/{p}]
   - https://i.loli.best/original/12345678   (same as https://i.loli.best/12345678)
   - https://i.loli.best/regular/12345678/1  (p1, master1200)