Specimen LabA LabB 1 1750 1810 2 2210 2260 3 2810 2660 4 2270 2340 5 1640 1620 6 1530 1700 7 1530 1630 8 2610 2210 9 1830 1970 10 2450 2370 11 1960 1910 12 2600 2640 13 2720 2560 14 2120 2040 15 2880 2830 16 1670 1700 17 1980 2250 18 2570 2590