r' f2 u r // Center
F2 // Dedge
R2 2D2 B U' L // 1x3x3
U B' 2D R' B' R2 y2 // 1x3x4 Block
u r U' r' 2U2 r U' r' // 2nd Center
U F U2 F // Finish Waterman Layer
L2 D' L U2 L' D L U2 L // CLL
x y 2R' U 2R U' // R-Dedge 1
R U 2R' U' R U' m2 U // R-Dedge 2
R U' 2L' m' U r2 // R-Dedge 3
2L U y2 D 2L' U 2L D' 2L' U2 2L D 2L' U 2L D' 2L' // Edge Pairing
2R B2 2R' U2 2R U2 2R' F2 r D2 2L D2 r' s2 z2 // Double Parity Alg + Roux 4a Skip
U2 m U2 m U' // Roux 4b
L2 B2 m' B2 m2 // Roux 4c
U 2L' U 2R2 U' 2L U 2R2 // 3 Centers
z2 D' 2L' U 2R2 U' 2L U 2R2 // 3 Centers
2L U' 2R' U 2L' U' 2R // 2 Centers
x2 U 2R U' 2L' U 2R' U' 2L // 2 Centers
x2 F2 2R U' 2L' U 2R' U' 2L U F2 D' // 2 Centers
137 Moves with double parity, would have been 123 without the double parity alg.
Next: R B R2 U' B2 U2 L2 B2 R2 U B2 U' F B2 U' F2 R U B2 U2 R Fw2 D' Fw2 R' D' L2 F2 L Uw2 Fw2 R D L' Fw' D' R Uw2 F2 Fw Rw2 Fw2 Uw Rw' Uw2 F Fw