residues mod 9216: 1: 6139
K=1 L=1 count 49192579 least_x 6282235
K=1 L=2 count 25660 least_x 64104161275
K=1 L=3 count 3 least_x 444559239306235
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
