Previous cores
[{"cp": [68, 69], "age": 16, "life": 18, "max_r": 6},
{"cp": [43, 9], "age": 11, "life": 24, "max_r": 8},
{"cp": [33, 37], "age": 9, "life": 23, "max_r": 6},
{"cp": [15, 18], "age": 8, "life": 15, "max_r": 6},
{"cp": [91, 57], "age": 3, "life": 25, "max_r": 5}]Current cores
[{"cp": [68, 69], "age": 17, "life": 18, "max_r": 6},
{"cp": [43, 9], "age": 12, "life": 24, "max_r": 8},
{"cp": [33, 37], "age": 10, "life": 23, "max_r": 6},
{"cp": [15, 18], "age": 9, "life": 15, "max_r": 6},
{"cp": [91, 57], "age": 4, "life": 25, "max_r": 5}]