<680, [ 34, 180/7, 1445/294, 1, 153/98, 680/21 ]> P = [ 1 168 336 175] [ 1 48 -24 -25] [ 1 -2 -4 5] [ 1 -8 32 -25] Q = [ 1 34 560 85] [ 1 68/7 -20/3 -85/21] [ 1 -17/7 -20/3 170/21] [ 1 -34/7 16 -85/7] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 168 0 0] [ 1 74 68 25] [ 0 34 84 50] [ 0 24 96 48], [ 0 0 336 0] [ 0 68 168 100] [ 1 84 176 75] [ 0 96 144 96], [ 0 0 0 175] [ 0 25 100 50] [ 0 50 75 50] [ 1 48 96 30] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 34 0 0] [ 1 51/7 180/7 0] [ 0 153/98 578/21 1445/294] [ 0 0 680/21 34/21], [ 0 0 560 0] [ 0 180/7 1360/3 1700/21] [ 1 578/21 1388/3 1445/21] [ 0 680/21 1360/3 520/7], [ 0 0 0 85] [ 0 0 1700/21 85/21] [ 0 1445/294 1445/21 1105/98] [ 1 34/21 520/7 170/21] ]