<56, [ 7, 256/45, 98/25, 1, 448/225, 14/5 ]> P = [ 1 15 30 10] [ 1 7 -2 -6] [ 1 1 -5 3] [ 1 -3 3 -1] Q = [ 1 7 20 28] [ 1 49/15 4/3 -28/5] [ 1 -7/15 -10/3 14/5] [ 1 -21/5 6 -14/5] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 15 0 0] [ 1 6 8 0] [ 0 4 8 3] [ 0 0 9 6], [ 0 0 30 0] [ 0 8 16 6] [ 1 8 15 6] [ 0 9 18 3], [ 0 0 0 10] [ 0 0 6 4] [ 0 3 6 1] [ 1 6 3 0] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 7 0 0] [ 1 14/45 256/45 0] [ 0 448/225 49/45 98/25] [ 0 0 14/5 21/5], [ 0 0 20 0] [ 0 256/45 28/9 56/5] [ 1 49/45 73/9 49/5] [ 0 14/5 7 51/5], [ 0 0 0 28] [ 0 0 56/5 84/5] [ 0 98/25 49/5 357/25] [ 1 21/5 51/5 63/5] ]