Just for your understanding
0 for alpha (status)
1 for beta (status)
2 for release candidate
3 for (final) release
For instance:
First stable release
1.0.0.0 First ALPHA release
1.0.0.1 Second ALPHA release
...
1.0.1.0 First BETA release
1.0.1.1 Second BETA release
...
1.0.2.0 First RC release
1.0.2.0 Second RC release
...
1.0.3.0 First stable
1.0.3.1 First stable (bugfixes)
1.0.3.2 First stable (bugfixes)
...
Second stable release
1.1.0.0 First ALPHA release
1.1.0.1 Second ALPHA release
...
1.1.1.0 First BETA release
1.1.1.1 Second BETA release
...
1.1.2.0 First RC release
1.1.2.0 Second RC release
...
1.1.3.0 Second stable release
1.1.3.1 Second stable release (bugfixes)
1.1.3.2 Second stable release (bugfixes)
...
Third stable release
1.2.0.0 First ALPHA release
1.2.0.1 Second ALPHA release
...
1.2.1.0 First BETA release
1.2.1.1 Second BETA release
...
1.2.2.0 First RC release
1.2.2.0 Second RC release
...
1.2.3.0 Third stable release
1.2.3.1 Third stable release (bugfixes)
1.2.3.2 Third stable release (bugfixes)
...