#FIG 2.1 80 2 2 1 0 1 -1 0 0 0 0.000 0 0 0 354 164 439 164 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 204 314 124 314 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 204 134 219 119 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 324 369 354 339 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 289 349 354 284 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 289 169 339 119 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 289 229 354 164 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 289 289 354 224 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 364 269 369 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 304 209 369 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 244 204 314 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 184 204 254 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 124 204 194 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 354 119 354 369 9999 9999 2 1 0 2 -1 0 0 0 0.000 0 1 0 0 0 1.000 4.000 8.000 149 269 409 269 9999 9999 2 1 0 2 -1 0 0 0 0.000 0 1 0 0 0 1.000 4.000 8.000 149 369 459 369 9999 9999 2 1 0 2 -1 0 0 0 0.000 0 1 0 0 0 1.000 4.000 8.000 204 434 204 109 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 119 274 369 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 289 119 289 369 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 159 289 159 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 354 289 354 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 339 289 339 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 324 289 324 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 309 289 309 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 294 289 294 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 279 289 279 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 264 289 264 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 249 289 249 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 234 289 234 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 219 289 219 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 204 289 204 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 189 289 189 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 174 289 174 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 144 289 144 9999 9999 2 1 0 1 -1 0 0 0 0.000 0 0 0 274 129 289 129 9999 9999 4 0 0 12 0 -1 0 0.000 4 7 4 189 114 t 4 0 0 12 0 -1 0 0.000 4 9 3 452 173 i 4 0 0 12 0 -1 0 0.000 4 6 6 114 324 o 4 0 0 12 0 -1 0 0.000 4 7 4 444 169 t 4 0 0 12 0 -1 0 0.000 4 7 4 109 319 t 4 1 0 12 0 -1 0 0.000 4 6 6 362 388 o 4 1 0 12 0 -1 0 0.000 4 9 8 354 384 R 4 1 0 12 0 -1 0 0.000 4 9 14 279 384 dR 4 1 0 14 0 -1 0 0.000 4 2 3 424 264 . 4 0 0 12 0 -1 0 0.000 4 9 8 454 384 R 4 1 0 12 0 -1 0 0.000 4 6 9 424 274 m 4 0 0 12 0 -1 0 0.000 4 9 14 274 109 dR 4 0 0 12 0 -1 0 0.000 4 12 47 259 474 crack.fig6