<1456, [ 90, 169/2, 13, 1, 13/2, 78 ]> P = [ 1 420 720 315] [ 1 56 -8 -49] [ 1 0 -8 7] [ 1 -28 48 -21] Q = [ 1 90 1170 195] [ 1 12 0 -13] [ 1 -1 -13 13] [ 1 -14 26 -13] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 420 0 0] [ 1 140 216 63] [ 0 126 196 98] [ 0 84 224 112], [ 0 0 720 0] [ 0 216 336 168] [ 1 196 376 147] [ 0 224 336 160], [ 0 0 0 315] [ 0 63 168 84] [ 0 98 147 70] [ 1 112 160 42] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 90 0 0] [ 1 9/2 169/2 0] [ 0 13/2 141/2 13] [ 0 0 78 12], [ 0 0 1170 0] [ 0 169/2 1833/2 169] [ 1 141/2 1885/2 156] [ 0 78 936 156], [ 0 0 0 195] [ 0 0 169 26] [ 0 13 156 26] [ 1 12 156 26] ] Ext Q-bip Double {91,90,169/2,13;1,13/2,78,91}