(a)
(b)
52
52
30
40.6
51.2
61.8
72.4
x
64.6 66.8
62.4
y
83 58 62.2
41.6
41.6
31.2
31.2
20.3 z
20.3 z
10.4
10.4
30
40.6
51.2
61.8
72.4
x
0
69
(c)
83 58 62.2
62.4 64.6
y
66.8
0
69
(d)
52
52
41.6
41.6
31.2
31.2
z
z
20.3
20.3
30
40.6
51.2
x 61.8
72.4
10.4
83 58 62.2
62.4
64.6
y
66.8
0
69
30
40.6
51.2
x 61.8
72.4
10.4
83 58
62.2
62.4
64.6 66.8
y
0
69
(a)
(b)
52
52
41.6
41.6
31.2 z
31.2
z
20.3
30
40.6
51.2
x 61.8
72.4
20.3
10.4
83 58 62.2
62.4
64.6 66.8
y
30
40.6
51.2
x 61.8
72.4
0
69
The initial length found by K-Means = 3626.530
10.4
83 58
64.6
62.4 y
62.2
0
66.8 69
The best length found by SA = 2912.28
(c)
(d)
52
52
41.6
31.2
41.6
31.2
z
20.3
30
40.6
51.2
61.8
x
72.4
20.3
10.4
64.6
62.4
y
83 58 62.2
66.8
0
69
30
40.6
51.2
61.8
x
72.4
10.4
64.6
62.4 y
83 58 62.2
66.8
69
0
z