----------------------2-2-5-5-5-5----------------------------------| -----2-2-5-5-5-5--3-3------------------2-2-5-5-5-5-----------------| -3-3-------------------------------3-3-----------------2-2-5-5-5-5-| ---------------------------------------------------3-3-------------| ----------------------2-2-5-5-5-5----------------------------------| -----2-2-5-5-5-5--3-3------------------2-2-5-5-5-5-----------------| -3-3-------------------------------3-3-----------------2-2-5-5-5-5-| ---------------------------------------------------3-3-------------| ----------------------2-2-5-5-5-5----------------------------------| -----2-2-5-5-5-5--3-3------------------2-2-5-5-5-5-----------------| -3-3-------------------------------3-3-----------------2-2-5-5-5-5-| ---------------------------------------------------3-3-------------|