well....me assume that "0" is a mistake
then wotz left is sorted with smallest first
then me assume yer "?" meen yu wanna add a number theer
so add -999 at far left & yu hav -999, -2, ?,-0.8,?, -0.34, 0
zampel av anser...-999, -2, -1, -0.8, -0.75, -0.34,0