1 read: [20, 0.023598, 0.023647]
2 write: [0, nan, 0.000000]
4 read: [20, 0.026753, 0.026827]
5 write: [0, nan, 0.000000]
7 read: [20, 0.022247, 0.024025]
8 write: [0, nan, 0.000000]
10 read: [20, 0.023541, 0.022583]
11 write: [0, nan, 0.000000]
13 read: [20, 0.022816, 0.022646]
14 write: [0, nan, 0.000000]
16 read: [20, 0.025146, 0.023086]
17 write: [0, nan, 0.000000]
19 read: [20, 0.021837, 0.023551]
20 write: [0, nan, 0.000000]
22 read: [20, 0.018368, 0.018725]
23 write: [0, nan, 0.000000]
25 read: [20, 0.016326, 0.018882]
26 write: [0, nan, 0.000000]
28 read: [20, 0.015994, 0.019895]
29 write: [0, nan, 0.000000]