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#data structure #node #edge #graph theory #computer science #hierarchy #abstract tree #binary tree #parent-child nodes

▲💡🪨

#tree shape #symbolic tree #abstract tree #tree lights #tree ornaments #bauble #triangle tree #decorated shape

💚🪨🌟

#green tree #tree colors #abstract tree #tree ornament #tree star #topper #festive colors #holiday colors

⚫️→{🔴🔵}

#phylogenetics #abstract tree #node #branching #common ancestor #luca #diagram