+-----++-----++-----++-----++-----+ | ||o ||o o|| || | | o || o || o || o || o | ==30 | || o||o o|| || | +-----++-----++-----++-----++-----+ +-----++-----++-----++-----++-----+ |o ||o ||o o||o ||o o| | o || || || o || | == 8 | o|| o||o o|| o||o o| +-----++-----++-----++-----++-----+ +-----++-----++-----++-----++-----+ |o o||o o||o ||o o||o | | o || || || o || | == 16 |o o||o o|| o||o o|| o| +-----++-----++-----++-----++-----+ +-----++-----++-----++-----++-----+ | ||o o||o ||o o||o | | o || || || o || | == 8 | ||o o|| o||o o|| o| +-----++-----++-----++-----++-----+ +-----++-----++-----++-----++-----+ | ||o ||o o||o || | | o || o ||o o|| || o | == 6 | || o||o o|| o|| | +-----++-----++-----++-----++-----+