o																																|
o		o																														|
o																																|
x																															<	|	r	s	2	3	7	2	8	6	2				4	5	0	2	0	2	0	3
o																																|
o																																|
o																																|
		x																								x					<	|	r	s	6	7	9	0	9	1	3				4	5	0	4	4	1	1	3
																																|
o																																|
		o																														|
																										x					<	|	r	s	4	6	8	3	0	3	3				4	5	0	6	2	3	9	6
																											x	x			<	|	r	s	9	3	9	3	1	2					4	5	0	6	7	4	1	9
																													x		<	|	r	s	2	3	7	2	8	5	7				4	5	0	7	2	1	5	8
							o																									|
																																|
							x																								<	|	r	s	1	1	0	6	3						4	5	0	8	4	7	6	0
																											x				<	|	r	s	1	8	7	9	2	4	0				4	5	0	9	3	2	2	9
																												x			<	|	r	s	2	0	3	7	3	5	8		*		4	5	0	9	7	6	7	9