<2176, [ 84, 289/4, 85/9, 1, 119/36, 68 ]> P = [ 1 420 432 1323] [ 1 80 24 -105] [ 1 0 -8 7] [ 1 -28 48 -21] Q = [ 1 84 1836 255] [ 1 16 0 -17] [ 1 14/3 -34 85/3] [ 1 -20/3 68/7 -85/21] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 420 0 0] [ 1 122 108 189] [ 0 105 70 245] [ 0 60 80 280], [ 0 0 432 0] [ 0 108 72 252] [ 1 70 116 245] [ 0 80 80 272], [ 0 0 0 1323] [ 0 189 252 882] [ 0 245 245 833] [ 1 280 272 770] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 84 0 0] [ 1 43/4 289/4 0] [ 0 119/36 285/4 85/9] [ 0 0 68 16], [ 0 0 1836 0] [ 0 289/4 43605/28 1445/7] [ 1 285/4 43265/28 1530/7] [ 0 68 11016/7 1360/7], [ 0 0 0 255] [ 0 0 1445/7 340/7] [ 0 85/9 1530/7 1700/63] [ 1 16 1360/7 306/7] ]