chr start stop reference nuc variant nuc depth genic status zygosity variant ID 9 81816458 81816459 C T 4 GENIC heterozygous 564196254 9 81816459 81816460 C T 4 GENIC heterozygous 564196255 9 81816460 81816461 C A 4 GENIC heterozygous 564196256