#FIG 2.1
80 2
5 1 0 1 4 0 0 0 0.000 1 1 0 407.807 428.532 299 324 324 554 419 579
	0 0 1.000 4.000 8.000
2 1 0 1 4 0 0 5 0.000 -1 1 0
	0 0 1.000 4.000 8.000
	 249 254 259 254 254 269 269 264 259 284 279 274 269 299 289 289
	 284 309 299 304 9999 9999
3 0 0 1 0 0 0 4 0.000 1 0
	0 0 1.000 4.000 8.000
	 59 199 284 499 394 439 169 144 59 199 9999 9999
3 0 0 1 0 0 0 5 0.000 1 0
	0 0 1.000 4.000 8.000
	 164 134 399 449 544 384 374 104 164 139 9999 9999
3 0 0 1 0 0 0 5 0.000 1 0
	0 0 1.000 4.000 8.000
	 444 124 564 279 9999 9999
3 0 0 1 0 0 0 5 0.000 1 0
	0 0 1.000 4.000 8.000
	 199 484 59 304 9999 9999
3 0 0 1 4 0 0 0 0.000 1 0
	0 0 1.000 4.000 8.000
	 254 264 269 264 259 279 284 274 269 294 284 289 274 309 294 299 284 324 309 309 9999 9999
3 2 0 1 4 0 0 13 0.000 1 0
	0 0 1.000 4.000 8.000
	 249 264 274 254 314 309 289 329 249 259 9999 9999
	 0.000 0.000 261.080 254.577 267.330 252.077 296.462 260.477
	 317.443 283.383 312.379 321.060 300.243 331.144 267.766 324.950
	 257.766 307.450 0.000 0.000
4 0 0 26 0 0 0 0.00000 4 31 206 69 99 Translational Zone:

4 0 0 26 0 4 0 0.00000 4 31 202 434 514 plates slide by one 

4 0 0 26 0 4 0 0.00000 4 31 79 434 551 another

4 0 0 26 0 4 0 0.00000 4 31 272 434 588 but get locally locked and

4 0 0 26 0 4 0 0.00000 4 31 277 434 625 strain energy is stored and

4 0 0 26 0 4 0 0.00000 4 31 188 434 662 suddenly released