R' U' F D' L2 U R2 B2 R2 B2 D2 B2 D' R' D R' L U2 D2 B U' L2 B D2 R' U' F

R' U L' D2 R F' // dr-2s 2c5 (6) 
(R U D) // reduce to dr-1s 2c4 and see that the niss trace is a good case (9) 
B2 U // edge fix 2c3 (11) 
(U' D' B2 U D) // +1 to trigger, you do need to check this stuff when you have RL on both sides (12) 
(F' L2 B D2 F) // 2c3 trigger to HTR (17) 
(L R B2 D2 R2) // finish (22)