OLL 5
Square shapes; comes up 1 in 54 solves.
Algorithms
r' U2 R U R' U rreads as r' U2 · Su · ry2 l' U2 L U L' U lreads as y2 l' U2 · Su (lefty inv) · ly2 R' F2 r U r' F Ry2 R' F2 L F L' F Rreads as y2 R' F2 · Slam (lefty rev) · F R
Square shapes; comes up 1 in 54 solves.
r' U2 R U R' U r reads as r' U2 · Su · ry2 l' U2 L U L' U l reads as y2 l' U2 · Su (lefty inv) · ly2 R' F2 r U r' F Ry2 R' F2 L F L' F R reads as y2 R' F2 · Slam (lefty rev) · F R