muchacho
Veteran
x y2
U M B' F M R U' R' (8)
U L' U' M' U' L' U' L' U' M U2' L U' L' M U M2 U2 L' U L (21)
U' R U R' U R U L' U R' U' L (12)
M' U M' U' M U M' U2 M' U2 M U2 M2 U' M2 U2 (16)
https://alg.cubing.net/?setup=L2_F-...L M-_U_M-_U-_M_U_M-_U2_M-_U2_M_U2_M2_U-_M2_U2
57 STM
SB could have been a bit shorter, but I only know half of CMLLs.