HYBRID BLOCK DENSITY_LEVEL WEIGHT DENSITY 1 1 1 40.7 10 1 2 1 37.8 10 1 3 1 32.9 10 1 4 1 43.1 10 1 1 2 24.2 15 1 2 2 44.4 15 1 3 2 27.8 15 1 4 2 34.1 15 1 1 3 16.1 25 1 2 3 17.6 25 1 3 3 19.9 25 1 4 3 20.1 25 1 1 4 11.2 40 1 2 4 12.7 40 1 3 4 14.5 40 1 4 4 15.4 40 2 1 1 39.4 10 2 2 1 47.8 10 2 3 1 44.4 10 2 4 1 49 10 2 1 2 31.3 15 2 2 2 34.5 15 2 3 2 25.6 15 2 4 2 50.4 15 2 1 3 17.9 25 2 2 3 30.5 25 2 3 3 22.5 25 2 4 3 25.2 25 2 1 4 14.8 40 2 2 4 17.3 40 2 3 4 17.7 40 2 4 4 18.7 40 3 1 1 68.7 10 3 2 1 56.2 10 3 3 1 44.8 10 3 4 1 59.3 10 3 1 2 26.2 15 3 2 2 48.1 15 3 3 2 41.1 15 3 4 2 46 15 3 1 3 20.5 25 3 2 3 28.2 25 3 3 3 30 25 3 4 3 24.7 25 3 1 4 18.9 40 3 2 4 26.2 40 3 3 4 19.2 40 3 4 4 22 40