ref: 3c953efcba01422102b00f4ee2c861f611a2e84d 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