read: [0, nan, 0.000000] write: [2.33333, 1.643076, 0.382744] read: [0, nan, 0.000000] write: [2.41667, 1.597939, 0.584963] read: [0, nan, 0.000000] write: [2.25, 1.757879, 0.558168] read: [0, nan, 0.000000] write: [2.33333, 1.700672, 0.229522] read: [0, nan, 0.000000] write: [2.41667, 1.689971, 0.403512] read: [0, nan, 0.000000] write: [2.25, 1.741431, 0.558945] read: [0, nan, 0.000000] write: [2.5, 1.703543, 0.397862] read: [0, nan, 0.000000] write: [2.25, 1.669041, 0.273089] read: [0, nan, 0.000000] write: [2.16667, 1.827622, 0.332751] read: [0, nan, 0.000000] write: [2.33333, 1.755077, 0.178161]