a,discrete(3)	b,discrete(3)	c,discrete(3)	d,discrete(3)	e,discrete(3)
2	2	X	2	2
2	1	X	2	2
1	2	X	1	1
0	1	X	0	0
2	1	X	2	2
1	2	X	2	2
0	1	X	0	0
0	2	X	1	1
2	2	X	2	2
0	0	X	0	0
2	1	X	1	1
1	1	X	1	1
2	2	X	2	2
0	0	X	0	0
1	2	X	2	2
1	0	X	0	1
2	0	X	1	0
1	2	X	2	2
2	0	X	1	1
0	0	X	0	0
