differing observed strings rs37409141, C/T, A/G
observedBlend returning A/C/G/T
---------------
differing observed strings rs31023145, A/C, C/T
observedBlend returning A/C/T
---------------
differing observed strings rs8264588, C/G, C/G/T
observedBlend returning C/G/T
---------------
differing observed strings rs8264588, C/G, C/G/T
observedBlend returning C/G/T
---------------