| +---+ +-------------------------------+ +---+ +---------+ +---------------------------|-------------------------------------------------------------------------+ +-----+ | | | | | | | | | | | | | | +-----|---------+ +---------------------|---|-----|-------------|---------------------------|-------------------------------------------------------------------------+ | +-------+ | | | | | | | | | | | | | | +---+ +---------+ | | | | +-------------------------------------------------------------------------------------------------------+ A-+ +-----------------------+ | | | | | | | | | | | | | | | | | | | | | | | | +---------------------|-----|---------|-----------+ | +-----------------------------------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------|-----------|-------------------|---------------------|-----------------------------------------|-----------|-------------+ | R | | | | | | | | | | | | | | | | | | | | | | | | +-------|---------------------------|-------------|-----------|-------------------|---------------------|-------------+ +-----------|-----|-----|-----+ +-------+ | | | | | | | | | | | | | | | | | | | | | | | | | +---------|-------+ | | | | | +-|---------+ +-|---|-----+ | +-----------------|---------------------|-------+ | | +-|-----|-|---|-----------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------------------|-----|-|-|-------|-------|---------|-----+ | | | | | | +-----------------|---------------------------------------------|---------|---------|---|-----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----+ +---|---|-----|---|-----------------|-----------------|-----------|-|-------------------------------------+ | | | +---------|-|---+ +-|---------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-+ | | | | | | | | | | | | | +---------------------|-----------------------------|-----|-------------------|-|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------------------+ | | | | | | | | | +-|-----------------------------------------|-------|-------------------------|-|-------|-------+ +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------+ | | | | | | | | | | | | | | | | | | | | | | +---------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---+ | | | +-+ | | | | +-----+ | +-|---------------+ | | +-|-------|-------------------|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | W | | +-------|-|-|-|-+ | | | | | +-------------|-------------------|-|-|-------|-|-------------------------------------|-----------|-----------------+ +-|-----------|-----------------+ | | | | | | | | | | | | | | | | | | | | | | | | H | | | | | | | | | | | | | | +-|-------+ | | | | | | | | | | | | | | +---------|---------------------|-------|-----|---------------------------------|-|---------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-|---+ | | | +---+ | | +-|-----------------------|-----|-------+ | | | | | | | | | | +-|-|-------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------------------|-------|-----|---------+ | | +---------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-+ | | | | | | | | +-------------|-----------------|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----------------------------------------|-----|-------|---------|---------|-----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-|-|-+ | | | | +-|-|-------|-------------------------------|-|---|-----|-|---------|---------|-----------|-------|-+ | | | | | | +-+ | | | | +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---------|-+ | +---------|-|---|-+ | | +-------+ +-------|-|---------|---------------------|-----------|-----------------------------------|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------------------------------------------|-----|-|-------|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------|---|-----|-------------------------------------|-----------|---------------------|-|---|-|---------|-----|---------------|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-|---|-|-|---|-|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-|-|---|---|-|-|-------+ | | | | | +-----+ | | | | | | +---------------------+ | | | | | | | +-------------|-|---------|---|-----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----------|-----------------------|-|---------------------|---------------------|-----------+ +-----------|---------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------|-|-|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------+ | | | | | | | | | +---------|-------------------------------+ | | | | | | | | | | | | | | | | | | | | | | | +---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-|-----|---|-|-|-|-------------------------------------|-|-------------------------------|---------|-|-|-----|-|-------------+ | | | | | | | +-------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------|---+ | | | | | | | +-----+ | | | | | | | +-|-|-------------------|---------|---|-----|---|-----|-----------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---------------------------------------|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-|---------|-|---------------|-----------------------|-|---------|-|-|-------------------|-+ | | | | | | | | | | | | | | | | | | +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------------|-----|---------------|---|---|---------+ +-----+ | | | +-----|-|-------|-+ +---------------|-|-|---|-|---------|---------------------|-|-----------|-----|-----|---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-------|-|---|---|-------|---------|-------------------|-|---------|-------------------------------|-----|-|-|-|---------------------------|---------|-----|---|-----|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|---|-|-+ | | | +-----|-|-------|---------------------|-+ | | | +-----------|-------|---------|-|-----|-|-------|-------+ | | +-+ | +-|-|-----|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-+ | | | | | | | | | | | | | | | | +-----|-----------------|-|---|-----|-----------|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | U | | | | | | | | | | | | | | | | | | | | +-----|-|-------|-----------|-----------------------------------------|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-|---|-|---|-----|-----------|-----|-------|---|-|---|-|-|-----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---|-|-----------|---|-|-|-------|-|-----|-------|-------------------|----------------E--+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------|---|---------------|-------|-----|---+ | | | +-|-------|---|-|-|---|-|-|-----------------------------|---|-----|-----|-------+ +---|-------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---|-|-|-|---|---|-----|---------------------------|-|-------|---|---+ | +---|---|-|-------|-----|-|-+ | | | +-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-----------------------------|-|-|---------------|-------|-----|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----------------|-----------|-----------|-----------------------|-------|-|-|-----------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------------|-------------|---|---|-|---------|-|---------------|---|-|-----|-------------------|-----------|---|---|---------|-+ +-|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-|-----|-----|---|---|---------|-|-----------------|---------------|-------------|-------------|-|---|---------|-----|-----------------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------|-----|-----|-----------------------------------|---|-|---|---------|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---------|-|-|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-----|---|-|---|---|-|---------------+ | | +-|-------|-------|-----------+ +-|-|-|-|---|-------|-|---|---------------------|-------+ | | +---+ | | +-|-----|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----------|-|-|---------|-|---|---|-----|-|---------------|-----+ | | | | | +-|-|-----+ +-|-|-|---|-|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-+ | +-------+ | | +-----------|-|-------------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---------+ | | +-|-|-|-------|-----|-|-----------|-------------|-|---|---|-----+ | | | | | | | | | | | | +---|---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | N | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-----|---|-+ | | +-----|---|-------------|-|-------+ | | +---|---|-|-----|-----------------------------|---|-|--D|---|-----|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---|-|-----|-|-|-|-----|-|---|-----------|-|-----|-|-----|-|-----|---|-------|---------------|-------|-|---------|-------------------|---------|-----|---|---|-|---|-----|---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------|-|-----|-|-|-----------|-|-+ | | | | | | | | | | +-------|---------+ | | | | | | +-------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------|---+ | | | | | | | | | | | | | | | | | | | | | | | +-+ +-|-----|-----|---+ | | | | | | +-------|---------|---------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-------+ | +-----------|-------|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-|-----|-------|-|-|-----|-----------|-+ | | | | | | | | +-|-------+ | | +---------------+ | +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-----------|-------|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-------------|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-------|-----|---|-------------|-|---|---|---------|---|---|-|-----+ | | +---------|-|---|-|-----|-------------------|-------|-------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-|-----|---------------|-|---------|---|---|---------|-|---------------------|-----|---|-------+ | | | | | | +-|---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-------|---|---|---|---------|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-+ | | | | | | | | | | | | | | | | | | | | | | | | +-----------------|-----|---------|-----------------------------|---------|-------------|---|-|---|-|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----------------|-------------|---------|-----+ | | +---------------|---|---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-------------|-|-|-----|---|---|-|-|---------|---|---------|---------------------------|-----|-----|---------|---------|-------------------|---------|---------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------|-+ | +-----|-|-|---|-|-|---+ | | | | | | | | +---------------------------|-------------------|-------------+ +---------|----------Y--+ | | | | +---|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|-----------|---------|---------|---|---------|---|-----+ +---|-|-----|-----|---------+ | | +-----------------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----|-|-----|---|-------|-|---|-----|-----------------------------|---------------------------------|---|-------------------------------------|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|-------|-------|-|-----|---|-----|---------+ | | | | +-------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|-------|-------|---|-----|-|-------|-|-|-|---------------|-|-----|-----|---------------|-|-----------|-------|-----------|-------------|---|-----------|-------------------------------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------|-------|---|-|-|-|---------|-|-----|---|-----|---|---|-----------------|---|-------------|---------------+ | | | | +-+ | | | +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | +---|-----------------|---------------------------------------------|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---+ | | | | +---+ | | | | | | | +---|-----------+ | | | | +-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|-+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-----------|-|---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +-|---|-------------|---|---|-|---------------+ | | | | | | | | | | | | | | | +---|-----------------|-----+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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