My solution (using Kruskal's algorithm) has total weight 28. -Brian (Thomas34 22:18, 10 December 2008 (UTC))
Yep, and one of MSTs is {ab,bc,cd,am,dp,ae,dh,ef,gh,ei,ij,kl,lp,mn,no}.--Asuleime 10:06, 12 December 2008 (UTC)
