The answer to everything (according to a famous hitchhiker's guide anyway): /-+-\ /-+-\ /-+-\ /-+-\ /-+-\ /-+-\ X | X X | X X | X X | X X | X X | X | \ | / | | \ | / | | \ | / | | \ | / | | \ | / | | \ | / | -----+----- -----+----- -----+----- -----+----- -----+----- -----+----- | / | \ | | / | \ | | / | \ | | / | \ | | / | \ | | / | \ | X | X X | X X | X X | X X | X X | X \-+-/ \-+-/ \-+-/ \-+-/ \-+-/ \-+-/ /-+-\ /-+-\ | X | X X | X | | \ | / | | \ | / | | -----+----- -----+----- -----+----- | / | \ | | / | \ | | X | X X | X | \-+-/ \-+-/ | For an explanation of this notation, see: