1. 2. amp BS 2D amp 3D 2 3 D 3 D BS 3D 3D 3 D 3D 8 3D 3D 3. 3D 3D 3D 3D 3D 2 2011 22 7 15 2010 22 8 14 3 25 vs 17 50 20 54 30 3 26 vs 19 00 20 54 3 27 vs 15 00 lt 16 55 BS 56 amp 5 5 3 D 1 amp BS 18 lt 19 amp 21 2011 5 G 72 4. 2011 3 7 lt BS 3 D 3 25 vs 18 3 D 3 25 17 55 20 54 3 D 30 21 24 2 D 30 gt 17 50 20 54 30 G gt 17 30 22 00 G 2 D 3 D 3D 3 D BS 3 D