<84, [ 8, 45/7, 64/15, 1, 40/21, 12/5 ]> P = [ 1 18 45 20] [ 1 9 0 -10] [ 1 2 -7 4] [ 1 -3 3 -1] Q = [ 1 8 27 48] [ 1 4 3 -8] [ 1 0 -21/5 16/5] [ 1 -4 27/5 -12/5] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 18 0 0] [ 1 7 10 0] [ 0 4 10 4] [ 0 0 9 9], [ 0 0 45 0] [ 0 10 25 10] [ 1 10 22 12] [ 0 9 27 9], [ 0 0 0 20] [ 0 0 10 10] [ 0 4 12 4] [ 1 9 9 1] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 8 0 0] [ 1 4/7 45/7 0] [ 0 40/21 64/35 64/15] [ 0 0 12/5 28/5], [ 0 0 27 0] [ 0 45/7 216/35 72/5] [ 1 64/35 1542/175 384/25] [ 0 12/5 216/25 399/25], [ 0 0 0 48] [ 0 0 72/5 168/5] [ 0 64/15 384/25 2128/75] [ 1 28/5 399/25 636/25] ]