Spanning tree

Spanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning treeSpanning tree