k is pan_pan  v is 
{
  "foo": "0.3467901443380824_0.7268028627434533"
}
k is eks_pan  v is 
{
  "foo": "0.7586799647899636_0.5221511083334797"
}
k is _wye  v is 
{
  "foo": "0.20460330576630303_0.33831852551664776"
}
k is eks_  v is 
{
  "foo": "0.38139939387114097_0.13418874328430463"
}
k is wye_pan  v is 
{
  "foo": "_0.8636244699032729"
}
k is zee_pan  v is 
{
  "foo": "0.5271261600918548_0.49322128674835697"
}
k is eks_zee  v is 
{
  "foo": "0.6117840605678454_0.1878849191181694"
}
k is zee_wye  v is 
{
  "foo": "0.5985540091064224_"
}
k is _  v is 
{
  "foo": "0.03144187646093577_0.7495507603507059"
}
k is pan_wye  v is 
{
  "foo": "0.5026260055412137_0.9526183602969864"
}
