25, 65, 143, 253, 121, 33, 51, 119, 70, 40, 35, 28, 77, 14, 78, 30, 55, 77, 14, 30, 35, 20, 42, 14, 21, 45, 15, 72, 45, 55 and 66.
That's 31 cells (30 steps).
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re(3): computer-assisted solution
