let myMap = new Map()
myMap.set('Theta', new Map())
myMap.get("Theta").set('Flying Shrimp', 10)
myMap.set('Sigma', new Map())
myMap.get('Sigma').set('Space cow', 380)
myMap.set('Tau', new Map())
myMap.get('Tau').set('Flying Shrimp', 165)


let myMapSorted = new Map([...myMap.entries()].sort((x,y)=> { return [...y[1].entries()][0][1] - [...x[1].entries()][0][1]}))