Previous cores
[{"cp": [42, 76], "age": 19, "life": 19, "max_r": 8},
{"cp": [29, 53], "age": 15, "life": 22, "max_r": 5},
{"cp": [70, 61], "age": 13, "life": 25, "max_r": 7},
{"cp": [18, 75], "age": 7, "life": 25, "max_r": 6},
{"cp": [86, 43], "age": 4, "life": 23, "max_r": 7},
{"cp": [47, 30], "age": 3, "life": 21, "max_r": 5},
{"cp": [26, 29], "age": 2, "life": 18, "max_r": 6}]Current cores
[{"cp": [29, 53], "age": 16, "life": 22, "max_r": 5},
{"cp": [70, 61], "age": 14, "life": 25, "max_r": 7},
{"cp": [18, 75], "age": 8, "life": 25, "max_r": 6},
{"cp": [86, 43], "age": 5, "life": 23, "max_r": 7},
{"cp": [47, 30], "age": 4, "life": 21, "max_r": 5},
{"cp": [26, 29], "age": 3, "life": 18, "max_r": 6},
{"cp": [49, 88], "age": 1, "life": 15, "max_r": 8}]