0/0	1/0	2/0	3/0	4/0	5/0	6/0	7/0
0/1	1/1 (3x1)			4/1	5/1	6/1	7/1
0/2	1/2 (1x4)	2/2	3/2	4/2	5/2	6/2	7/2
0/3		2/3	3/3 (1x4)	4/3	5/3	6/3	7/3
0/4		2/4		4/4 (4x3)
0/5		2/5
0/6	1/6	2/6
0/7 (3x1)			3/7	4/7	5/7	6/7	7/7
0/8	1/8	2/8	3/8	4/8	5/8	6/8	7/8
0/9	1/9	2/9	3/9	4/9	5/9	6/9	7/9