A fitted sheet that's 60" x 80", or a chess piece that can move across the entire board in one move
[DOC] [TLE] a mathematical pandora's box - Arvind Gupta [PAR] 16 The Japanese water garden 16, 80 ... 60 Manipulating calendar digits 36, 93 
.... puzzles which can arise just from a squared board and a set .... to fit the seven 
pieces shown in figure (a) into a 3 x 3 x 3 cube.