![Wink :wink:](./images/smilies/icon_wink.gif)
difference <0,5 s (18 levels)
0,5s<diff. < 1 s (13 levels)
1 s <diff. < 2 s (9 levels)
2 s <diff. < 5 s (6 levels)
5 s <diff. < 10 s (4 levels)
10s<diff. < 20 s (2 levels)
difference>20 s (1 level)
One level missing becouse I counted wrong somewhere...
![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)