$top1 summary: Wrong variable, can you dig it? $top2 summary: Dig we must! The center nodes in $top2 are center, W01: center/child::* nodes in $top2 are t2-near-south, W02: center/descendant::* nodes in $top2 are t2-near-south,t2-south,t2-far-south, W03: center/parent::* nodes in $top2 are t2-near-north, W04: center/ancestor::* nodes in $top2 are t2-far-north,t2-north,t2-near-north, W05: center/following-sibling::* nodes in $top2 are t2-near-east,t2-east,t2-far-east, W06: center/preceding-sibling::* nodes in $top2 are t2-far-west,t2-west,t2-near-west, W07: center/following::* nodes in $top2 are t2-near-east,t2-east,t2-far-east, W08: center/preceding::* nodes in $top2 are t2-far-west,t2-west,t2-near-west, W09: center/attribute::* nodes in $top2 are center-attr-1, W10: center/namespace::* nodes in $top2 are n, W11: center/self::* nodes in $top2 are center, W12: center/descendant-or-self::* nodes in $top2 are center,t2-near-south,t2-south,t2-far-south, W13: center/ancestor-or-self::* nodes in $top2 are t2-far-north,t2-north,t2-near-north,center, N01: center/child::t2-near-south nodes in $top2 are t2-near-south, N02: center/descendant::t2-south nodes in $top2 are t2-south, N03: center/parent::t2-near-north nodes in $top2 are t2-near-north, N04: center/ancestor::t2-north nodes in $top2 are t2-north, N05: center/following-sibling::t2-east nodes in $top2 are t2-east, N06: center/preceding-sibling::t2-west nodes in $top2 are t2-west, N07: center/following::t2-east nodes in $top2 are t2-east, N08: center/preceding::t2-west nodes in $top2 are t2-west, N09: center/attribute::center-attr-1 nodes in $top2 are center-attr-1, N10: center/self::center nodes in $top2 are center, N11: center/descendant-or-self::t2-south nodes in $top2 are t2-south, N12: center/ancestor-or-self::t2-north nodes in $top2 are t2-north,