<27, [ 6, 4, 2, 1, 2, 3 ]> P = [ 1 6 12 8] [ 1 3 0 -4] [ 1 0 -3 2] [ 1 -3 3 -1] Q = [ 1 6 12 8] [ 1 3 0 -4] [ 1 0 -3 2] [ 1 -3 3 -1] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [0 6 0 0] [1 1 4 0] [0 2 2 2] [0 0 3 3], [ 0 0 12 0] [ 0 4 4 4] [ 1 2 5 4] [ 0 3 6 3], [0 0 0 8] [0 0 4 4] [0 2 4 2] [1 3 3 1] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [0 6 0 0] [1 1 4 0] [0 2 2 2] [0 0 3 3], [ 0 0 12 0] [ 0 4 4 4] [ 1 2 5 4] [ 0 3 6 3], [0 0 0 8] [0 0 4 4] [0 2 4 2] [1 3 3 1] ]