* T r r r r
* i 0 0 9 9
* m 1 2 1 2
* e
0ns 0s 0s 0s 0s
50ns 0s 0s 1s 1s
250ns 1s 1s 0s 0s
450ns 1s 1s 0s 0s
650ns 0s 0s 0s 0s