chr,start,stop,reference nuc,variant nuc,depth,genic status,zygosity,variant ID 12,21393551,21393552,C,T,12,GENIC,homozygous,546007767 12,21393669,21393670,A,G,1,GENIC,homozygous,546007768 12,21393672,21393673,G,A,1,GENIC,homozygous,546007769 12,21393770,21393771,G,A,12,GENIC,heterozygous,546007770