Sample Total Read Count Portion (%) SO_3_A 236,975,838 11.5 SO_3_B 207,300,086 10.1 SO_3_C 238,084,346 11.5 SO_7_A 248,331,031 12.0 SO_7_B 211,399,348 10.3 SO_7_C 192,887,051 9.4 SO_C_A 252,118,677 12.2 SO_C_B 160,652,598 7.8 SO_C_C 248,564,358 12.1 undetermined 65,812,778 3.2