KMeans code is rubbish

[Wanda Hawk]

Can someone please run the standard kMeans code on this input with 2 centers ?:
2 1
1 2
3 2
2 3
4 1
5 1
6 1
4 2
6 2
4 3
5 3
6 3

The obvious result should be (2,2) and (5,2) ... (you can draw them if you 
don't believe me ...)

Thanks, 
Wanda