L=1 count 49192570 least 5028351
L=2 count 25667 least 1511084031
L=3 count 6 least 2788836769791
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
