arrow tip undo,like a parallelogram slanted upright undo, muffler tips undo, has two knotches on right side good undo, two white triangles in shape undo last move triangles and jagged
page7-13.png page6-52.png page4-200.png
page8-24.png page7-13.png page6-52.png page5-31.png page4-86.png page4-200.png page7-119.png page5-198.png page2-90.png page3-45.png
page3-45.png page4-200.png
undo, skinnier one