k is pan_pan  v is 
{
  "foo": "0.34679014_0.72680286"
}
k is eks_pan  v is 
{
  "foo": "0.75867996_0.52215111"
}
k is _wye  v is 
{
  "foo": "0.20460331_0.33831853"
}
k is eks_  v is 
{
  "foo": "0.38139939_0.13418874"
}
k is wye_pan  v is 
{
  "foo": "_0.86362447"
}
k is zee_pan  v is 
{
  "foo": "0.52712616_0.49322129"
}
k is eks_zee  v is 
{
  "foo": "0.61178406_0.18788492"
}
k is zee_wye  v is 
{
  "foo": "0.59855401_"
}
k is _  v is 
{
  "foo": "0.03144188_0.74955076"
}
k is pan_wye  v is 
{
  "foo": "0.50262601_0.95261836"
}
