L=1 count 49192579 least 1047039
L=2 count 25660 least 10684026879
L=3 count 3 least 74093206551039
L=4 count 0 least 0
L=5 count 0 least 0
L=6 count 0 least 0
L=7 count 0 least 0
L=8 count 0 least 0
