# an example of a Turing machine that has an infinite loop.

blank: "_"
tape: "_"
start: "one"
accept: []
reject: []

machine: 

  - [ one,   _,   two,   1,    left]
  - [ one,   1,   two,   1,    left]
  - [ two,   _,   three, 1,    left]
  - [ three, _,   one,   _,    right]