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