residues mod 9216: 1: 6139
K=1 L=1 count 49192585 least_x 7461883
K=1 L=2 count 25639 least_x 83274390523
K=1 L=3 count 5 least_x 19898926891003
K=1 L=4 count 0 least_x 0
K=1 L=5 count 0 least_x 0
K=1 L=6 count 0 least_x 0
