Dataset {
    Float32 T[T = 8973];
    Grid {
     ARRAY:
        Float32 Price[T = 8973];
     MAPS:
        Float32 T[T = 8973];
    } Price;
    Grid {
     ARRAY:
        Float32 Return[T = 8973];
     MAPS:
        Float32 T[T = 8973];
    } Return;
} HP;