ref: 3c7ba37de72795e46c76f791b50b4a3d89ba0c2c 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