Number of Notches  Number of Pieces  Total Area  Constructions  

Twosided Pieces  2  15  90  5x18, 6x15 rectangles 
3  32  192  6x32, 8x24,12x16 rectangles 14²2² square ring 

4  60  360  8x45, 10x36, 12x30, 15x24, 18x20 rectangles 19²1² square ring 

Onesided Pieces  2  25  150  5x30, 10x15 rectangles 
3  60  360  5x72, 6x60, 8x45, 10x36, 12x30, 15x24, 18x20 rectangles 23²13², 21²9², 19²1² square rings 