L=1 count 49192588 least 4489215
L=2 count 25661 least 4996550655
L=3 count 4 least 108966337478655
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
