D 2.1

D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1
D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1
D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1D 2.1