0, 0.21, 0.35, 0.35, 0.35, 0.35, 0.35
0.21, 0, 0.54, 0.6, 0.57, 0.57, 0.57
0.35, 0.54, 0, 0.86, 0.88, 0.88, 0.88
0.35, 0.6, 0.86, 0, 1, 1, 1
0.35, 0.57, 0.88, 1, 0, 1, 1
0.35, 0.57, 0.88, 1, 1, 0, 1
0.35, 0.57, 0.88, 1, 1, 1, 0