+1 -3111203100122301200134503300144704101323602201422402300
 95 
Z@135 
A@http://www.tanzzle.com/loyd.html
Sam Loyd's unsolved patterns 

The eighth book of Tan - 700 Tangrams by Sam Loyd
with an introduction and solutions by Peter Van Note
Dover publications Inc., New York 1968
---------------------------
page 26 TANGRAM MYSTERIES
-------------
A truncated pyramid
-------------
Una piramide tronca