<280, [ 27, 49/2, 7, 1, 7/2, 21 ]> P = [ 1 90 135 54] [ 1 20 -5 -16] [ 1 0 -5 4] [ 1 -10 15 -6] Q = [ 1 27 189 63] [ 1 6 0 -7] [ 1 -1 -7 7] [ 1 -8 14 -7] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 90 0 0] [ 1 35 45 9] [ 0 30 40 20] [ 0 15 50 25], [ 0 0 135 0] [ 0 45 60 30] [ 1 40 70 24] [ 0 50 60 25], [ 0 0 0 54] [ 0 9 30 15] [ 0 20 24 10] [ 1 25 25 3] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 27 0 0] [ 1 3/2 49/2 0] [ 0 7/2 33/2 7] [ 0 0 21 6], [ 0 0 189 0] [ 0 49/2 231/2 49] [ 1 33/2 259/2 42] [ 0 21 126 42], [ 0 0 0 63] [ 0 0 49 14] [ 0 7 42 14] [ 1 6 42 14] ] Ext Q-bip Double {28,27,49/2,7;1,7/2,21,28}