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--- a
+++ b/brno-university-of-technology-smartphone-ppg-database-but-ppg-2.0.0/149051/149051_ACC.hea
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+149051_ACC 3 100 1000
+149051_ACC.dat 16 697.1702(-547279)/mg 0 0 -16732 -18781 0 ACC_X
+149051_ACC.dat 16 923.0141(-269982)/mg 0 0 -10615 -16089 0 ACC_Y
+149051_ACC.dat 16 560.1197(256255)/mg 0 0 -13163 -14875 0 ACC_Z