Roberts Leap Frog Rigid Transformations

For use with MVP Math 1 Module 6
Use the check boxes and input boxes to transform one frog onto another.[list][*]image 1 to image 2[br][/*][*]image 2 to image 3[br][/*][*]image 3 to image 4[br][/*][*]Which image was used to obtain image 5? How? Is it the only one?[br][/*][/list]

Information: Roberts Leap Frog Rigid Transformations