total 3. first one person standing good. next image looks like staircase good. last image looks like two step one by one wrong deselect. staircase with two step
page6-28.png page3-59.png page3-64.png
page6-138.png page8-206.png page8-30.png page6-28.png page5-123.png page7-203.png page3-99.png page8-182.png page3-64.png page3-59.png
page3-59.png page3-99.png page6-28.png
wrong deselect. other image like this