01.02.06.10 01.03.05.10 01.04.07.10 01.08.09.10 02.03.07.08 02.04.05.09 03.04.06.08 03.05.08.09 05.06.07.09 11.12.13.15 11.14.15.18 11.15.16.17 12.13.16.17 12.14.16.18 13.14.17.18 19.20.21.23 19.22.23.26 19.23.24.25 20.21.24.25 20.22.24.26 21.22.25.26 27.28.29.31 27.30.31.34 27.31.32.33 28.29.32.33 28.30.32.34 29.30.33.34 35.36.37.38 35.39.40.41 35.42.43.44 35.45.46.47 36.39.42.45 36.40.43.46 36.41.44.47 37.39.43.47 37.40.44.45 37.41.42.46 38.39.44.46 38.40.42.47 38.41.43.45 48.49.50.51 48.51.54.55 48.52.53.55 49.50.54.55 49.52.53.54 50.51.52.53 56.57.58.59 56.57.60.61 58.59.60.61 62.63.64.65 62.63.66.67 64.65.66.67