ref: fbc6fe4722f3faa69f4126ea3d2fe3a41fcba16d dir: /gfx/pokemon/grimer/anim_idle.asm/
frame 3, 04 setrepeat 2 frame 1, 08 frame 4, 08 dorepeat 2 frame 2, 16 endanim ; 0xd1c37