Outer Board O's Home Board +13-14-15-16-17-18------19-20-21-22-23-24-+ | X O | | O X | | X O | | O X | | X O | | O | | X | | O | | X | | O | | |BAR| | | O | | X | | O | | X | | O X | | X | | O X | | X O | | O X | | X O | +12-11-10--9--8--7-------6--5--4--3--2--1-+ Outer Board X's Home Board