L=1 count 2893691 least 2374143
L=2 count 1525 least 9325072383
L=3 count 0 least 0
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
