<1581, [ 50, 4046/93, 34/3, 1, 170/93, 119/3 ]> P = [ 1 450 500 630] [ 1 93 -10 -84] [ 1 0 -10 9] [ 1 -15 35 -21] Q = [ 1 50 1190 340] [ 1 31/3 0 -34/3] [ 1 -1 -119/5 119/5] [ 1 -20/3 17 -34/3] L = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 450 0 0] [ 1 183 140 126] [ 0 126 135 189] [ 0 90 150 210], [ 0 0 500 0] [ 0 140 150 210] [ 1 135 175 189] [ 0 150 150 200], [ 0 0 0 630] [ 0 126 210 294] [ 0 189 189 252] [ 1 210 200 219] ] L* = [ [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1], [ 0 50 0 0] [ 1 511/93 4046/93 0] [ 0 170/93 1142/31 34/3] [ 0 0 119/3 31/3], [ 0 0 1190 0] [ 0 4046/93 135898/155 4046/15] [ 1 1142/31 138533/155 1292/5] [ 0 119/3 4522/5 3689/15], [ 0 0 0 340] [ 0 0 4046/15 1054/15] [ 0 34/3 1292/5 1054/15] [ 1 31/3 3689/15 1241/15] ]