read: [0, nan, 0.000000] write: [2.16667, 1.725651, 0.559641] read: [0, nan, 0.000000] write: [2.41667, 1.646645, 0.595224] read: [0, nan, 0.000000] write: [2.16667, 1.793075, 0.216885] read: [0, nan, 0.000000] write: [2.25, 1.814023, 0.429589] read: [0, nan, 0.000000] write: [2.25, 1.793954, 0.418879] read: [0, nan, 0.000000] write: [2.25, 1.791602, 0.412502] read: [0, nan, 0.000000] write: [2.16667, 1.829229, 0.262556] read: [0, nan, 0.000000] write: [2.41667, 1.657567, 0.511907] read: [0, nan, 0.000000] write: [2.41667, 1.694543, 0.422925] read: [0, nan, 0.000000] write: [2.5, 1.570851, 0.548090]