ID      Genotypes (paternal allele, maternal allele) ...
1       2 1 2 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 1
2       2 1 2 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 2 1 1
3       2 2 2 2 2 2 2 2 1 1 1 1 1 1 2 1 2 1 2 2 1 1
4       2 2 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 2 1 1
