320 349.5 384 349.5 383 159.5 320 158.5 u 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e $x_1$ $x_2$ 320 349.5 384 349.5 383 159.5 320 158.5 u 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e 320 349.5 384 349.5 383 159.5 320 158.5 u 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e $x_3$ $z_1$ $z_2$ $z_3$ $y_1$ $y_2$ $y_3$ 175 302.692308 m 337.307692 303.461538 l 338.846154 303.461538 m 489.615385 301.923077 l 490.384615 301.153846 m 175.769231 207.307692 l 490.384615 301.153846 m 176.538462 259.615385 l 491.923077 255.769231 m 337.307692 269.615385 l 336.538462 269.615385 m 175.769231 258.076923 l 177.307692 257.307692 m 490.384615 206.538462 l 177.307692 207.307692 m 335.769231 207.307692 l 490.384615 205.769231 l 177.307692 207.307692 m 490.384615 257.307692 l 490.384615 257.307692 m 176.538462 303.461538 l 176.538462 303.461538 m 490.384615 205.769231 l 2.95858 0 0 2.95858 176.775148 307.751479 e 2.95858 0 0 2.95858 176.775148 307.751479 e $u$ $v$ 320 349.5 384 349.5 383 159.5 320 158.5 u 2.95858 0 0 2.95858 176.775148 307.751479 e $w$ $N_0$ $N_u$ $N_{uv}$ $N_v$ 255.769231 366.538462 m 177.307692 303.461538 l 257.307692 366.538462 m 177.307692 258.846154 l 255.769231 366.538462 m 177.307692 208.076923 l 258.076923 368.846154 m 336.538462 303.461538 l 257.307692 368.076923 m 336.538462 270.384615 l 258.076923 368.076923 m 335.769231 209.615385 l 336.538462 209.615385 m 417.307692 366.538462 l 416.538462 366.538462 m 338.846154 271.923077 l 338.846154 302.692308 m 416.538462 367.307692 l 416.538462 367.307692 m 489.615385 303.461538 l 416.538462 367.307692 m 491.153846 258.076923 l 417.307692 368.076923 m 489.615385 207.307692 l