Dataset {
    Float32 /Group1/subgroup1/lat[2];
    Float32 /Group1/subgroup1/lon[2];
    Float64 /Group1/subgroup1/subgroup1_var[2][2];
    Float64 /Group1/group_1_var[1][2];
    Float32 /Group1/lat[1];
    Float32 /Group1/lon[2];
    Float64 /root_variable[1][2];
    Float32 /lat[1];
    Float32 /lon[2];
} unaligned_simple_datatree.nc.h5;