L=1 count 49192585 least 1243647
L=2 count 25639 least 13879065087
L=3 count 5 least 3316487815167
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
