MaxDistance←{
     MD←{
         ⌈/,|⍵∘.-⍺
     }
⍝ Tests
     Assert←{⍺←'Assertion Failure' ⋄ 0∊⍵:⍺ ⎕SIGNAL 8 ⋄ shy←0}
     Assert 6≡4 5 7 MD 9 1 3 4:
     Assert 6≡2 3 5 4 MD 3 2 5 5 8 7:
     Assert 9≡2 1 11 3 MD 2 5 10 2:
     Assert 2≡1 2 3 MD 3 2 1:
     Assert 5≡1 0 2 3 MD 5 0:
     'All tests passed.'
 }