Remove dough from wrapper and cut into 18 - 20 slices. Place slices 2 in. apart on greased cookie sheets.
Bake 8 - 10 min. or until edges are lightly browned. Cool completely.
In sections of 6 cookies at a time, sandwich cookies together with frosting. Insert black licorice "legs" in frosting on both sides of cookies. Repeat until all the cookies are sandwiched together with frosting and black licorice.
Attach cookie sections end-to-end on their sides in a wavy pattern. Use frosting to attach sections together and add legs between all segments.
Attach snack cake to 1 end of centipede using frosting. Decorate snake cake with jelly beans for eyes and red licorice for antennae.