Number of Notches  Number of Pieces  Total Area  Constructions  

Twosided Pieces  k  10Ck  5*(10Ck)  
1  10  50  only rectangles with notches at one side  
2  45  225  15x15 square, 9x25 rectangle  
0..2  56  280  5x56, 7x40, 8x35, 10x28, 14x20 rectangles 17²3² square ring 

3  120  600  8x75, 10x60, 12x50, 15x40, 20x30, 24x25 rectangles 25²5² square ring 

0..3  176  880  32²9² square ring  
Onesided Pieces  k  2*(10Ck)  10*(10Ck)  
1  20  100  10x10 square, 5x20 rectangle  
2  90  450  9x50, 10x45, 15x30, 18x25 rectangles  
0..2  112  560  5x112, 7x80, 10x56, 14x40, 20x28 rectangles 33²23², 27²13², 24²4² square rings 

3  240  1200  8x150, 10x120, 12x100, 15x80, 20x60, 24x50, 30x40 rectangles 35²5², 37²13², 40²20² square rings 