StrobogrammaticNumber←{
⍝ ←: Numbers between ⍺ and  ⍵ which look the same
⍝    when rotated 180° e.g. 68089
     ⎕IO←0
     n←⍺+⍳1+⍵-⍺
     n⌿⍨'015__29_86'∘{⍵≡⌽⍺[⍎¨⍵]}¨⍕¨n
 }