Ariya Iwanaga's fourth, and arguably, one of her most well-known, spellcard in Touhou 20: Fossilized Wonders (at Normal difficulty). Part maze, part puzzle.

Watch out for when the cheese slices spawn downward, as you might be sitting on one within milliseconds. After that, it's a game of strafing left and right, while also adjusting your position so that you avoid hitting one of those glowing lights she fires on you.

Setup used: Marisa (G2 + G2 + R1 + G2)