<923, [ 70, 5041/78, 71/6, 1, 497/78, 355/6 ]> P = [ 1 252 490 180] [ 1 39 -7 -33] [ 1 0 -7 6] [ 1 -21 35 -15] Q = [ 1 70 710 142] [ 1 65/6 0 -71/6] [ 1 -1 -71/7 71/7] [ 1 -77/6 71/3 -71/6] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 252 0 0] [ 1 81 140 30] [ 0 72 126 54] [ 0 42 147 63], [ 0 0 490 0] [ 0 140 245 105] [ 1 126 273 90] [ 0 147 245 98], [ 0 0 0 180] [ 0 30 105 45] [ 0 54 90 36] [ 1 63 98 18] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 70 0 0] [ 1 341/78 5041/78 0] [ 0 497/78 2020/39 71/6] [ 0 0 355/6 65/6], [ 0 0 710 0] [ 0 5041/78 143420/273 5041/42] [ 1 2020/39 149881/273 2272/21] [ 0 355/6 11360/21 4615/42], [ 0 0 0 142] [ 0 0 5041/42 923/42] [ 0 71/6 2272/21 923/42] [ 1 65/6 4615/42 142/7] ] Ext Q-bip Double {71,70,5041/78,71/6;1,497/78,355/6,71}