|--------------------------------------------| |--------------------------------------------| |-----------------------------3-3-3----------| |-3-3-3-3-----1--3-3-3-3------3-3-3-3-3-3-3--| |-3-3-3-3--1-3---3-3-3-3------1-1-1-3-3-3-3--| |-1-1-1-1--------1-1-1-1------------1-1-1-1--| |------------------------| |------------------------| |--5-5-5--3-3-3----------| |--5-5-5--3-3-3--3-3-3-3-| |--3-3-3--1-1-1--3-3-3-3-| |----------------1-1-1-1-|