Sample Total Read Count Portion (%) C_A 248,528,846 12.8 C_B 215,499,861 11.1 F_A 177,739,485 9.2 F_B 253,701,801 13.1 U_A 363,169,295 18.7 U_B 228,025,017 11.8 Z_A 176,194,802 9.1 Z_B 210,689,073 10.9 undetermined_library 66,453,260 3.4