>>They are going in circle?
>>
>>>Three worms going in a line.
>>>
>>>First worm says: there are two worms behind me.
>>>
>>>Second worm says: there is one worm ahead of me, and one worm behind me.
>>>
>>>Third worm says: there is one worm ahead of me, and one worm behind me.
>>>
>>>How is this possible?
>
>No, in a circle all three would have one ahead and one behind.

Doesn't that kinda depend on WHERE in the cirle you think you are? Maybe the first worm considers itself the first one in the circle...