【正文】
n and l versus mm=0m=1m=2m=3m=4m=5m=6m=7m=8m=9n=1l=0n=2l=0n=2l=1n=3l=0n=3l=1n=3l=2n=4l=0n=4l=1n=4l=2n=4l=3n=5l=0n=5l=1n=5l=2n=5l=3n=5l=4n=6l=0n=6l=1n=6l=2n=6l=3n=6l=4n=6l=5n=7l=0n=7l=1n=7l=2n=7l=3n=7l=4n=7l=5n=7l=6n=8l=0n=8l=1n=8l=2n=8l=3n=8l=4n=8l=5n=8l=6n=8l=7n=9l=0n=9l=1n=9l=2n=9l=3n=9l=4n=9l=5n=9l=6n=9l=7n=9l=8n=10l=0n=10l=1n=10l=2n=10l=3n=10l=4n=10l=5n=10l=6n=10l=7n=10l=8n=10l=9n and m versus ll=0l=1l=2l=3l=4l=5l=6l=7l=8l=9n=1m=0n=2m=0n=2m=1n=3m=0n=3m=1n=3m=2n=4m=0n=4m=1n=4m=2n=4m=3n=5m=0n=5m=1