problem_c_0.txt, 501, 707401
problem_c_1.txt, 2069, 8
problem_c_2.txt, 2126, 60924
problem_c_3.txt, 2151, 196013140
problem_c_4.txt, 2774, 1457871012
problem_c_5.txt, 0, 0
problem_c_6.txt, 4127, 13000253
problem_c_7.txt, 8136, 15763583
problem_c_8.txt, 8101, 22397698
problem_c_9.txt, 2084, 6501