<1863, [ 98, 1944/23, 99/7, 1, 126/23, 594/7 ]> P = [ 1 392 882 588] [ 1 68 -9 -60] [ 1 -1 -9 9] [ 1 -22 54 -33] Q = [ 1 98 1512 252] [ 1 17 -27/7 -99/7] [ 1 -1 -108/7 108/7] [ 1 -10 162/7 -99/7] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 392 0 0] [ 1 121 189 81] [ 0 84 176 132] [ 0 54 198 140], [ 0 0 882 0] [ 0 189 396 297] [ 1 176 441 264] [ 0 198 396 288], [ 0 0 0 588] [ 0 81 297 210] [ 0 132 264 192] [ 1 140 288 159] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 98 0 0] [ 1 287/23 1944/23 0] [ 0 126/23 12619/161 99/7] [ 0 0 594/7 92/7], [ 0 0 1512 0] [ 0 1944/23 1362852/1127 10692/49] [ 1 12619/161 1384587/1127 9999/49] [ 0 594/7 59994/49 9936/49], [ 0 0 0 252] [ 0 0 10692/49 1656/49] [ 0 99/7 9999/49 1656/49] [ 1 92/7 9936/49 1719/49] ]