* T 1 o a o
* i a e 1 e
* m b
* e a
* r
0ns 1s 1s 1s 0s
100ns 1s 0s 1s 1s
200ns 0s 0s 0s 1s
300ns 0s 1s 0s 0s
400ns 1s 1s 1s 0s
500ns 1s 0s 1s 1s
600ns 0s 0s 0s 1s