let titles = ['2021-01-01','2021-01-02','2021-01-03','2021-01-04','2021-01-05','2021-01-06','2021-01-07','2021-01-08','2021-01-09','2021-01-10','2021-01-11','2021-01-12','2021-01-13','2021-01-14','2021-01-15',],
v1s = [11234,12234,17234,19234,13234,19234,12345,15678,19023,12367,14578,13101,10234,11234,12342],
