Number of Notches at Each Piece  0  1  2  3  4  5  6  7  8  
Twosided Pieces  Number of Pieces  1  1  6  7  13  7  6  1  1 
Total Number of Notches  0  1  12  21  52  35  36  7  8  
Total Number of Straight sides  4  3  13  10  9  3  1  0  0  
Onesided Pieces  Number of Pieces  1  2  8  14  20  14  8  2  1 
Total Number of Notches  0  2  16  42  80  70  48  14  8  
Total Number of Straight sides  4  6  17  18  16  6  1  0  0 
Number of Notches  Number of Pieces  Total Area  Constructions  

Twosided Pieces  0..3  15  60  6x10 rectangle 
0..4  28  112  some symmetric figures  
0..7  42  168  some symmetric figures  
0..8  43  172  stacked rows  
Onesided Pieces  3  14  56  4x14 rectangle 
0..8  70  280  14x20 and 10x28 rectangles, stacked rows  
1..7  68  272  8x34 rectangle  
2..6  64  256  16x16 square, 8x32 rectangle, 8fold replicas of tetrominoes 

3..5  48  192  12x16 rectangle 