0,	0,	0.333,	0.333
0.333,	0,	0.666,	0.333
0.666,	0,	1,	0.333
0,	0.333,	0.333,	0.666
0.333,	0.333,	0.666,	0.666
0.666,	0.333,	1,	0.666
0,	0.666,	0.333,	1
0.333,	0.666,	0.666,	1
0.666,	0.666,	1,	1