<630, [ 74, 450/7, 15, 1, 75/7, 60 ]> P = [ 1 111 444 74] [ 1 21 -6 -16] [ 1 0 -6 5] [ 1 -15 24 -10] Q = [ 1 74 444 111] [ 1 14 0 -15] [ 1 -1 -6 6] [ 1 -16 30 -15] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 111 0 0] [ 1 24 84 2] [ 0 21 75 15] [ 0 3 90 18], [ 0 0 444 0] [ 0 84 300 60] [ 1 75 318 50] [ 0 90 300 54], [ 0 0 0 74] [ 0 2 60 12] [ 0 15 50 9] [ 1 18 54 1] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 74 0 0] [ 1 61/7 450/7 0] [ 0 75/7 338/7 15] [ 0 0 60 14], [ 0 0 444 0] [ 0 450/7 2028/7 90] [ 1 338/7 2238/7 75] [ 0 60 300 84], [ 0 0 0 111] [ 0 0 90 21] [ 0 15 75 21] [ 1 14 84 12] ] Ext Q-bip Double {75,74,450/7,15;1,75/7,60,75}