Rate ladder
5, 4, 3, 2, 1 @ 16 5K+12, 18, 20, 22, 24

4, 3, 2, 1, @ 18 5K+10, 20, 22, 24

5, 4, 3, 2, 1, same as first set

2′ rest

2 x 2′ on 1′ off 
1′ @ 22 5k+1
1′ @ 24 5k+1