s a b memory
1    1    1    8.6
 2    1    1    9.4
 3    1    1    6.1
 4    1    1    8.8
 5    1    1    9.1
 6    1    2    9.0
 7    1    2    9.8
 8    1    2    6.5
 9    1    2    9.2
10    1    2    9.5
11    1    3    8.2
12    1    3    9.0
13    1    3    5.7
14    1    3    8.4
15    1    3    8.7
16    2    1    8.0
17    2    1    8.8
18    2    1    5.5
19    2    1    8.2
20    2    1    8.5
21    2    2    8.2
22    2    2    9.0
23    2    2    5.7
24    2    2    8.4
25    2    2    8.7
26    2    3    4.6
27    2    3    5.4
28    2    3    2.1
29    2    3    4.8
30    2    3    5.1
31    3    1    8.2
32    3    1    9.0
33    3    1    5.7
34    3    1    8.4
35    3    1    8.7
36    3    2    7.8
37    3    2    8.6
38    3    2    5.3
39    3    2    8.0
40    3    2    8.3
41    3    3    4.0
42    3    3    4.8
43    3    3    1.5
44    3    3    4.2
45    3    3    4.5