<1080, [ 26, 243/10, 21, 1, 27/10, 6 ]> P = [ 1 234 728 117] [ 1 72 -28 -45] [ 1 12 -28 15] [ 1 -6 8 -3] Q = [ 1 26 234 819] [ 1 8 12 -21] [ 1 -1 -9 9] [ 1 -10 30 -21] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 234 0 0] [ 1 90 140 3] [ 0 45 162 27] [ 0 6 168 60], [ 0 0 728 0] [ 0 140 504 84] [ 1 162 484 81] [ 0 168 504 56], [ 0 0 0 117] [ 0 3 84 30] [ 0 27 81 9] [ 1 60 56 0] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 26 0 0] [ 1 7/10 243/10 0] [ 0 27/10 23/10 21] [ 0 0 6 20], [ 0 0 234 0] [ 0 243/10 207/10 189] [ 1 23/10 627/10 168] [ 0 6 48 180], [ 0 0 0 819] [ 0 0 189 630] [ 0 21 168 630] [ 1 20 180 618] ] Ext Q-bip Double {27,26,243/10,21;1,27/10,6,27}