read: [0, nan, 0.000000] write: [2.25, 1.654106, 0.216202] read: [0, nan, 0.000000] write: [2.16667, 1.779133, 0.234837] read: [0, nan, 0.000000] write: [2.16667, 1.814625, 0.573312] read: [0, nan, 0.000000] write: [2.16667, 1.890433, 0.434471] read: [0, nan, 0.000000] write: [2.16667, 1.909626, 0.464422] read: [0, nan, 0.000000] write: [2.16667, 1.749118, 0.548767] read: [0, nan, 0.000000] write: [2.25, 1.818895, 0.479890] read: [0, nan, 0.000000] write: [2.5, 1.599144, 0.594870] read: [0, nan, 0.000000] write: [2.33333, 1.755708, 0.429445] read: [0, nan, 0.000000] write: [1.91667, 2.025514, 0.272405]