version 5: --- 25.16 seconds --- read in data --- 8.89 seconds --- initialized records --- 1030.56 seconds --- finish the first loop [434821, 968, 459, 313, 211] --- 39.30 seconds ---
version 4: --- 28.04000 seconds --- read in data --- 11.96300 seconds --- initialized records --- 1146.91700 seconds --- finish the first loop [434821, 968, 459, 313, 211] --- 46.47300 seconds ---